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