Perhaps you should try some spelling variations:
yulu chen » yu chen
chen ping » chen rong, chen yang, chen wang
dong wei » wang wei, dong di, dong hoi
ping jin » ying jin, ping jia, ping lin
yang jui » yang judy, yang di, yang yi
wei die » weil die, wei xie, weiss die
yang xi » yang di, yang yi

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: dong wei die yulu chen ping jin ((yang xi) OR (yang jui)) ;~.
• Adding a wildcard symbol may retrieve word variants: dong wei die yulu chen ping jin ((yang xi) or (yang jui)) ;*.