Perhaps you should try some spelling variations:
wang yang » wang yan, wang liang, wang yanling
yang yang » wang yan
chang min » zhang ming, chang mae, chan ming
chan fong » chew fong, chan eng, chan kang
wong sau » wong sam, wong siu, wong shiu
yang xi » yang di, yang yi, yang jui
von sam » von sa, von sap, von scham
xi liu » x liu, xu liu

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang yang yang xi liu ((chang min) or (chan fong)) ((wong sau) or (von sam)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yang yang xi liu ((chang min) OR (chan fong)) ((wong sau) OR (von sam)) ;*.