Perhaps you should try some spelling variations:
wan wang » wen wang, yan wang, wang yang
wang ban » wang yan, wang dan, wang yang
ban chia » tan chia, ban chiang, can china
chia ren » china ren, chia wen, chia lan
wong sam » wong sau, wong lai, kong sar
wong siu » wong shiu, kong siu, wong sau
yan jie » yang jie, yang jin, huan jie
yan jiu » yang jie, yang jin, pang jiu

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

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