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
wen yang » wei yang, wen wang, chen yang
yang jin » yang jie, yang jun, ying jin
kong siu » kong eiu, wong siu, gong si
sin » sign, sind, skin

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 jin ((kong sar) OR (((kong siu) OR (dong sin)))) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "yan wang ban ching wen yang jin ((kong sar) or (((kong siu) OR (dong sin)))) ;~".
• Adding a wildcard symbol may retrieve word variants: yan wang ban ching wen yang jin ((kong sar) or (((kong siu) OR (dong sin)))) ;*.