Perhaps you should try some spelling variations:
wang yang » wang yan, wang liang, wang yanling
wan wang » wen wang, yan wang, qian wang
yang hua » wang hua, yang hui, ying hua
wong sam » wong sau, wong lai, kong sar
wong siu » wong shiu, kong siu, wong sau
hua ren » hua chen
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: wan wang yang hua ren yan jiu ((wong sam) or (wong siu)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wan wang yang hua ren yan jiu ((wong sam) OR (wong siu)) ;*.