Perhaps you should try some spelling variations:
wan wang » wen wang, yan wang, wang yang
wang tan » wang yan, wang ban, wang dan
tan chia » tuan china, than china, 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, yan jiu, yang jin

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 tan chia ren yan jie ((wong sam) OR (wong siu)) ;~.
• Adding a wildcard symbol may retrieve word variants: wan wang tan chia ren yan jie ((wong sam) or (wong siu)) ;*.