Perhaps you should try some spelling variations:
chun china » china china, can china, han china
leong wai » leong lap
china who » china why, china what, china won
wai chun » wai chung, tai chun, wai cheung
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: leong wai chun china who ((yang jun) OR (((yang jie) OR (yang jui)))) tong hui ;~.
• Adding a wildcard symbol may retrieve word variants: leong wai chun china who ((yang jun) or (((yang jie) or (yang jui)))) tong hui ;*.