Perhaps you should try some spelling variations:
ping wang » ping pong, hong wang
ying john » king john, young john, ying jin
john song » john wong, john bonn, john ngosong
song sau » wong sau, kong sar, song pae
yang li » yang lin, yang xi, tang li
yang yi » yang xi, yang jui
l ying » li ying, _ ying

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