Perhaps you should try some spelling variations:
wang yang » wang yan, wang liang, wang yanling
john song » john wong, john bonn, john ngosong
chen yan » chen yang, chen tan, chen yun
yan john » ryan john, gain john, tian john
song sau » wong sau, kong sar, song pae
yang xi » yang di, yang yi, yang jui
xi chen » xi cheng, yi chen, li chen

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 hyoung)) yang xi chen yan john song sau ;~.
• Adding a wildcard symbol may retrieve word variants: ((wang yang) or (wang hyoung)) yang xi chen yan john song sau ;*.