Perhaps you should try some spelling variations:
wang yang » wang yan, wang liang, wang yanling
guan rene » juan rene, glas rene
yang gan » yang fan, yang guang, yang dean
gan guan » yan guan, quan guan, fan guon
yang jie » yang jin, yang jui, yang xi
wong siu » wong shiu, wong sau, wong siew
kong siu » kong eiu, dong sin, kong sar

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