Perhaps you should try some spelling variations:
wang yang » wang yan, wang liang, wang yanling
yang hua » wang hua, yang hui, ying hua
wang hui » wang hua, wang zhi, wang wei
wong sau » wong siu, wong shiu, wong lai
wong sam » wong lai, kong sar, von sam
yan jim » yang jie, yang jin
yan jiu » yang jie, yang jin, pang jiu

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 hua) or (wang hui)) ren ((yan jim) or (yan jiu)) ((wong sau) OR (wong sam)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yang ((yang hua) OR (wang hui)) ren ((yan jim) OR (yan jiu)) ((wong sau) OR (wong sam)) ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yang ((yang hua) or (wang hui)) ren ((yan jim) or (yan jiu)) ((wong sau) OR (wong sam)) ;".
• Adding a wildcard symbol may retrieve word variants: wang yang ((yang hua) or (wang hui)) ren ((yan jim) or (yan jiu)) ((wong sau) OR (wong sam)) ;*.