Perhaps you should try some spelling variations:
chen yang » chen rong
wang yang » wang liang, wang yanling
yang john » young john, king john, yang jin
john wong » john song, john bonn
wing ian » wing tan, twinn ian, wing sun
yang hui » yang jui, wang hui, yang muxi
wong sam » wong sau, wong lai, 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) OR (wang yan))) OR (wing ian)) ((yang hui) OR (wang hua)) chen yang john wong sam ;~.
• Adding a wildcard symbol may retrieve word variants: ((((wang yang) or (wang yan))) or (wing ian)) ((yang hui) or (wang hua)) chen yang john wong sam ;*.