Perhaps you should try some spelling variations:
yang yang » wang yang, wang yan
rene chen » jane chen, rene ten
chen ping » chen rong, chen yang, chen wang
ping wang » ping pong, hong wang
yang hua » wang hua, yang jui, wang hui
ying hua » ming hua, wang hua, ying zhu
yang hui » yang jui, wang hui, yang muxi

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: yang yang ((((yang hua) or (ying hua))) or (yang hui)) rene chen ping wang zhi ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: yang yang ((((yang hua) OR (ying hua))) OR (yang hui)) rene chen ping wang zhi ;.
• Adding a wildcard symbol may retrieve word variants: yang yang ((((yang hua) or (ying hua))) or (yang hui)) rene chen ping wang zhi ;*.