Perhaps you should try some spelling variations:
wang peng » wang zheng, wang yong, wang jing
peng pong » ping pong, eng hong, jeng dong
yulu chen » yu chen
wang yang » wang yan, wang liang, wang yanling
wang yue » wong yue, wang hua, wang yan
yi chen » jui chen
ping ku » ping ke, ping yu

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 peng pong ((yulu chen) OR (yi chen)) ping ku ((wang yue) OR (wang yang)) ;~.
• Adding a wildcard symbol may retrieve word variants: wang peng pong ((yulu chen) or (yi chen)) ping ku ((wang yue) or (wang yang)) ;*.