Perhaps you should try some spelling variations:
pong zhang » kong hang, yong phang
zhang zhi » zhong zhi, wang zhi, zhang wei
zhi chen » zhe chen, zhu chen, zhiwu chen
yang jin » yang jie, yang jun, ying jin
wang wei » zhang wei, wang zhi
yang xi » yang yi, yang jui
ping » wing
judy » july

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 pong zhang zhi chen ((((((yang jin) OR (yang xi))) OR (yang di))) OR (yang judy)) wang wei ;~.
• Adding a wildcard symbol may retrieve word variants: ping pong zhang zhi chen ((((((yang jin) or (yang xi))) or (yang di))) or (yang judy)) wang wei ;*.