diff --git a/com.emacsos.zero.ZeroPinyinService1.ZeroPinyinServiceInterface.xml b/com.emacsos.zero.ZeroPinyinService1.ZeroPinyinServiceInterface.xml
index 31c3f61daf8b9bd5b1adb42b05f74daf794cae08..3d3cbe26fb73c3629dc58ed090de5a82ecc01dfb 100644
--- a/com.emacsos.zero.ZeroPinyinService1.ZeroPinyinServiceInterface.xml
+++ b/com.emacsos.zero.ZeroPinyinService1.ZeroPinyinServiceInterface.xml
@@ -4,13 +4,34 @@
 <node>
   <interface name="com.emacsos.zero.ZeroPinyinService1.ZeroPinyinServiceInterface">
     <!--
-	FuzzyFlag: fuzzy matching flag for GetCandidates method.
-	0 0b0 no fuzzy matching
-	1 0b1 enable fuzzy match on z<->zh, c<->ch, s<->sh
-	2 0b10 enable fuzzy match on l<->n
-	flag numbers can be combined with bit or.
+	GetCandidatesV2:
+
+	Difference to GetCandidates: A fuzzy_flag param is added.
+
+	@preedit_str: the preedit string
+	@fetch_size: how many candidates to fetch
+	@fuzzy_flag: fuzzy flag when matching candidate
+	             0 0b0 no fuzzy matching
+	             1 0b1 enable fuzzy match on z<->zh, c<->ch, s<->sh
+	             2 0b10 enable fuzzy match on l<->n
+	             fuzzy flag numbers can be combined with bit or.
+	@candidates: the candidates
+	@matched_preedit_str_lengths: the matched str length in preedit str for
+	                              each candidate
+
+	Get candidates for a preedit string. This method will fetch at least
+	fetch_size candidates if they exists. However, this method is allowed to
+	return more candidates than fetch_size.
+
     -->
-    <property name="FuzzyFlag" type="u" access="readwrite"></property>
+    <method name="GetCandidatesV2">
+      <arg type="s" name="preedit_str"/>
+      <arg type="u" name="fetch_size"/>
+      <arg type="u" name="fuzzy_flag"/>
+      <arg type="as" name="candidates" direction="out"/>
+      <arg type="au" name="matched_preedit_str_lengths" direction="out"/>
+      <arg type="aa(ii)" name="candidates_pinyin_indices" direction="out"/>
+    </method>
 
     <!--
 	GetCandidates:
diff --git a/main.c b/main.c
index 5bce0d7604a1329435528c08d8234592bed9743a..266e88530868d3433bd9eb2b7bf281cd4a0b18fe 100644
--- a/main.c
+++ b/main.c
@@ -19,11 +19,12 @@ typedef struct {
 } AppData;
 
 static gboolean
-on_handle_get_candidates(ZeroPinyinService *object,
-			 GDBusMethodInvocation *invocation,
-			 const gchar *preedit_str,
-			 guint fetch_size,
-			 AppData *appdata)
+on_handle_get_candidates_v2(ZeroPinyinService *object,
+			    GDBusMethodInvocation *invocation,
+			    const gchar *preedit_str,
+			    guint fetch_size,
+			    guint fuzzy_flag,
+			    AppData *appdata)
 {
 	if (preedit_str == NULL || fetch_size == 0) {
 		g_dbus_method_invocation_return_dbus_error(
@@ -45,7 +46,7 @@ on_handle_get_candidates(ZeroPinyinService *object,
 	candidates_builder = g_variant_builder_new(G_VARIANT_TYPE("as"));
 	matched_lengths_builder = g_variant_builder_new(G_VARIANT_TYPE("au"));
 	candidates_pinyin_indices = g_variant_builder_new(G_VARIANT_TYPE("aa(ii)"));
-	get_candidates(appdata->db, preedit_str, fetch_size, zero_pinyin_service_get_fuzzy_flag(object), candidates_builder, matched_lengths_builder, candidates_pinyin_indices);
+	get_candidates(appdata->db, preedit_str, fetch_size, fuzzy_flag, candidates_builder, matched_lengths_builder, candidates_pinyin_indices);
 
 	result = g_variant_new("(asauaa(ii))", candidates_builder, matched_lengths_builder, candidates_pinyin_indices);
 	g_assert_nonnull(result);
@@ -60,6 +61,16 @@ on_handle_get_candidates(ZeroPinyinService *object,
 	return TRUE;
 }
 
+static gboolean
+on_handle_get_candidates(ZeroPinyinService *object,
+			 GDBusMethodInvocation *invocation,
+			 const gchar *preedit_str,
+			 guint fetch_size,
+			 AppData *appdata)
+{
+	return on_handle_get_candidates_v2(object, invocation, preedit_str, fetch_size, 0, appdata);
+}
+
 static gboolean
 on_handle_commit_candidate(ZeroPinyinService *object,
 			   GDBusMethodInvocation *invocation,
@@ -134,6 +145,10 @@ on_bus_acquired(GDBusConnection *connection,
 	g_message("on_bus_acquired() name=%s", name);
 
 	appdata->interface = zero_pinyin_service_skeleton_new();
+	g_signal_connect(appdata->interface,
+			 "handle-get-candidates-v2",
+			 G_CALLBACK(on_handle_get_candidates_v2),
+			 appdata);
 	g_signal_connect(appdata->interface,
 			 "handle-get-candidates",
 			 G_CALLBACK(on_handle_get_candidates),
diff --git a/meson.build b/meson.build
index 073b1d10388599f87d3812d3f5908fe42454ecab..1ffc3098d3d629af71c112bb7e101d8dc788e845 100644
--- a/meson.build
+++ b/meson.build
@@ -1,6 +1,6 @@
 # -*- mode: conf -*-
 project('zero-pinyin-service', ['c', 'cpp'],
-  version: '0.9.2',
+  version: '0.9.3',
   license: 'GPL',
   default_options: [
     'warning_level=2',