Perhaps you should try some spelling variations:
ban ching » ban chiang, can china, dan china
ching wen » ching kwan, ching fein, ching hea
yan wang » yuan wang, yang yang, qian wang
wang ban » wang yan, wang dan, wang yang
yang jun » yang jui, pang jun, yang jin
yang jie » yang jin, yang di, yang jui
kong eiu » tonga eiu

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 ban ching wen ((yang jun) OR (yang jie)) ((kong sar) OR (kong eiu)) ;~.
• Adding a wildcard symbol may retrieve word variants: yan wang ban ching wen ((yang jun) or (yang jie)) ((kong sar) or (kong eiu)) ;*.