Perhaps you should try some spelling variations:
yeung kang » chung kang, leung tang
chen china » when china, china china, cheap china
kang chen » chang chen, jane chen, kang han
china won » china women, china wang, china who
yang jun » pang jun, yang jin, yang judy
yang jie » yang jin, yang di, yang xi
yang jui » yang judy, yang di, yang xi
tong hui » wang hui

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: yeung kang chen china won ((yang jun) OR (((yang jie) OR (yang jui)))) tong hui ;~.
• Adding a wildcard symbol may retrieve word variants: yeung kang chen china won ((yang jun) or (((yang jie) or (yang jui)))) tong hui ;*.