Perhaps you should try some spelling variations:
yang hua » wang hua, yang hui, ying hua
rene can » line can, rene ten
can when » can women, can we, can win
when can » when a
wan yan » wang yan, nan yan, wai yan
yang mu » yang du, yang muxi, yang jui
yang xi » yang yi, yang jui
can hui » wang hui, can hurt, chun hui

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: wan yan ((yang hua) OR (((yang mu) OR (((yang xi) OR (yang di)))))) rene can when can hui ;~.
• Adding a wildcard symbol may retrieve word variants: wan yan ((yang hua) or (((yang mu) or (((yang xi) or (yang di)))))) rene can when can hui ;*.