Perhaps you should try some spelling variations:
yang yang » wang yang, wang yan
chan ming » kian ming, chan eng, chan fong
wong shiu » wong siu, cong shu, song shin
yu cheng » yu chen, _ cheng
wong sau » wong sam, wong siu, wong lai
yang ka » yang fan, yang yao
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 ka ((a chen) or (yu cheng)) chan ming ((wong shiu) or (wong sau)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: yang yang ka ((a chen) OR (yu cheng)) chan ming ((wong shiu) OR (wong sau)) ;.
• Adding a wildcard symbol may retrieve word variants: yang yang ka ((a chen) or (yu cheng)) chan ming ((wong shiu) or (wong sau)) ;*.