fixed

Sieve/Services/SieveProcessor.cs

@@ -419,8 +419,9 @@ namespace Sieve.Services
 
                         if (filterTerm.Values == null) continue;
 
-                        foreach (var filterTermValue in filterTerm.Values)
+                        foreach (var filterTermValue1 in filterTerm.Values)
                         {
+                            var filterTermValue = (new RemoveVietNamSign()).RemoveSignVietnameseString(filterTermValue1);
                             //string filterTermValue = this.RemoveSign4VietnameseString(filterTermValue1); //Added by thien to emove vietnam
 
                             dynamic constantVal = converter.CanConvertFrom(typeof(string))