Perhaps you should try some spelling variations:
zhang ming » zhang xin
wang yong » wang yang, wang hyoung, wang yan
yong yang » yang yang, dong yang, ying yang
liu zhang » li zhang, liu yang, bin zhang
wong sam » wong sau, wong lai, von sam
wong siu » wong shiu, kong siu, wong sau
yang xi » yang di, yang yi, yang jui
xi liu » x liu, xu liu
von sa » von sam, von sap, von sl

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: wang yong yang xi liu zhang ming ((((((wong sam) OR (kong sar))) OR (wong siu))) OR (von sa)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yong yang xi liu zhang ming ((((((wong sam) OR (kong sar))) or (wong siu))) or (von sa)) ;~".
• Adding a wildcard symbol may retrieve word variants: wang yong yang xi liu zhang ming ((((((wong sam) OR (kong sar))) or (wong siu))) or (von sa)) ;*.