diff --git a/org.eclipse.epf.web/src/org/eclipse/epf/web/servlet/SearchServlet.java b/org.eclipse.epf.web/src/org/eclipse/epf/web/servlet/SearchServlet.java
index 8c4f078..1e27c74 100644
--- a/org.eclipse.epf.web/src/org/eclipse/epf/web/servlet/SearchServlet.java
+++ b/org.eclipse.epf.web/src/org/eclipse/epf/web/servlet/SearchServlet.java
@@ -167,7 +167,7 @@
 
 		try {
 
-			_queryString = searchString.replace(':', ' '); // RATLC00251228
+			_queryString = searchString;//.replace(':', ' '); // RATLC00251228  enable to use tag to filte search results
 
 			_currentSearchString = IndexSearch.detectHyphenated(_queryString); // wordBuffer.toString();