Perhaps you should try some spelling variations:
ping wang » ping pong, hong wang
wang yong » wang yang, wang hyoung, wang yan
yong jie » yang jie, ying jin, yong kim
jie chen » jane chen, jui chen, yi chen
yang jin » yang jie, yang jun, ying jin
yang jui » yang xi, yang yi
tong hui » wang hui

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 yong jie chen ((((((yang jin) OR (yang jui))) OR (yang di))) OR (yang judy)) tong hui ;~.
• Adding a wildcard symbol may retrieve word variants: ping wang yong jie chen ((((((yang jin) or (yang jui))) or (yang di))) or (yang judy)) tong hui ;*.