Perhaps you should try some spelling variations:
zhang ming » zhang xin
wang ying » wang yang, wang yong, wang jing
ying yang » yang yang, yin yang, ying chang
liu zhang » li zhang, liu yang, bin zhang
wong sam » wong sau, wong lai, kong sar
wong siu » wong shiu, kong siu, wong sau
yang xu » yang xi, yang du, yang mu
von sam » von sap, von scham, von sach
xu liu » xu lu, x liu
von sa » von sap, von sl, von sach

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 ying yang xu liu zhang ming ((((wong sam) OR (wong siu))) OR (((von sa) OR (von sam)))) ;~.
• Adding a wildcard symbol may retrieve word variants: wang ying yang xu liu zhang ming ((((wong sam) or (wong siu))) or (((von sa) or (von sam)))) ;*.