Perhaps you should try some spelling variations:
wang yang » wang yan, wang liang, wang yanling
yang yang » wang yan
john song » john wong, john bonn, john ngosong
liu yang » liu yan, du yang, liu feng
song sau » wong sau, kong sar, song pae
yang li » yang lin, yang di, yang xi
li yang » li ying, li gang, li wang

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 yang li ((li yang) OR (liu yang)) john song sau ;~.
• Adding a wildcard symbol may retrieve word variants: wang yang yang li ((li yang) or (liu yang)) john song sau ;*.