Perhaps you should try some spelling variations:
wang dong » wang yong, wang yang, wang jing
wang hong » wang yong, wang hyoung, wang lihong
john song » john wong, john bonn, john ngosong
yang hui » yang jui, wang hui, yang muxi
hui chen » jui chen, hua chen, yi chen
chen yan » chen yang, chen tan, chen yun
yan john » ryan john, gain john, tian john
song sau » wong sau, kong sar, song pae

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