Perhaps you should try some spelling variations:
yan china » can china, dan china, han china
china wen » chia wen, china won, ching wen
yan wang » yuan wang, yang yang, qian wang
wong siu » wong shiu, kong siu, wong sau
wen yan » ren yan, wen jian, wen wang
yan jie » yang jie, yan jiu, yang jin
gong si » dong sin

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: yan wang yan china wen yan jie ((kong sar) OR (((gong si) OR (wong siu)))) ;~.
• Adding a wildcard symbol may retrieve word variants: yan wang yan china wen yan jie ((kong sar) or (((gong si) or (wong siu)))) ;*.