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
wen yang » wei yang, wen wang, chen yang
yang jin » yang jie, yang jun, ying jin
kong siu » kong eiu, dong sin, gong si
wong siu » wong shiu, wong sau, wong siew

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