Perhaps you should try some spelling variations:
wang guang » yang guang, wang luhang, wang liang
ping wang » ping pong, hong wang
guang zhi » guang zhe, wang zhi, gua zhi
yang july » yang judy, yang jui, yang jun
zhi chen » zhe chen, zhu chen, zhiwu chen
yang jin » yang jie, yang jun, ying jin
wang hui » wang hua, wang zhi, wang wei
yang xi » yang yi, yang jui

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 guang zhi chen ((((((yang jin) OR (yang xi))) OR (yang di))) OR (yang july)) wang hui ;~.
• Adding a wildcard symbol may retrieve word variants: ping wang guang zhi chen ((((((yang jin) or (yang xi))) or (yang di))) or (yang july)) wang hui ;*.