Perhaps you should try some spelling variations:
fang yuan » wang yuhan, wang yan, meng yuan
chen yang » chen rong
yang john » young john, king john, yang jin
john wong » john song, john bonn
gan guan » yan guan, quan guan, fan guon
hua chen » jui chen, yu chen, a chen
wong sam » wong sau, wong lai, kong sar

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: lang ((gan guan) or (fang yuan)) hua chen yang john wong sam ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: lang ((gan guan) OR (fang yuan)) hua chen yang john wong sam ;.
• Adding a wildcard symbol may retrieve word variants: lang ((gan guan) or (fang yuan)) hua chen yang john wong sam ;*.