Perhaps you should try some spelling variations:
yang yihan » yang yizhao, wang yidan, wang yuhan
yihan guan » yan guan
wang yang » wang yan, wang liang, wang yanling
guan rene » juan rene, glas rene
yang jie » yang jin, yang jui, yang yi
wong siu » wong shiu, kong siu, wong sau
dong bin » dong sin, dong di, dann bin
yang xi » yang yi, yang jui

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: wang yang yihan guan rene ((((yang jie) OR (yang xi))) OR (yang di)) ((wong siu) OR (dong bin)) ;~.
• Adding a wildcard symbol may retrieve word variants: wang yang yihan guan rene ((((yang jie) or (yang xi))) or (yang di)) ((wong siu) or (dong bin)) ;*.