Perhaps you should try some spelling variations:
yeung kang » chung kang, leung tang
china won » china women, china wang, china who
kang can » kang ca, kang han, kang chen
yang jin » yang jie, yang jun, ying jin
yang jui » yang judy, yang di, yang xi
tong hui » wang hui
wang wei » zhang wei, wang zhi

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 can china won ((yang jin) OR (yang jui)) ((tong hui) OR (wang wei)) ;~.
• Adding a wildcard symbol may retrieve word variants: yeung kang can china won ((yang jin) or (yang jui)) ((tong hui) or (wang wei)) ;*.