Perhaps you should try some spelling variations:
yang yang » wang yang, wang yan
chan ming » kian ming, chan eng, chan fong
yang fan » zhang fan, yang dean, yang jin
yu cheng » yu chen, _ cheng
wong siu » wong shiu, kong siu, wong sau
wong sam » wong sau, wong lai, kong sar
a chen » ta chen, _ chen, n chen

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

• Performing a fuzzy search may retrieve terms with similar spellings: yang yang fan ((a chen) or (yu cheng)) chan ming ((wong siu) or (wong sam)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: yang yang fan ((a chen) OR (yu cheng)) chan ming ((wong siu) OR (wong sam)) ;.
• Adding a wildcard symbol may retrieve word variants: yang yang fan ((a chen) or (yu cheng)) chan ming ((wong siu) or (wong sam)) ;*.