Perhaps you should try some spelling variations:
dang hadi » dang hai
yang hua » wang hua, yang hui, wang hui
ying hua » ming hua, wang hua, ying zhu
yang jui » yang judy, yang di, yang xi
ying jin » yang jin, jing ji, yang jie
yan jiu » yang jie, yang jin, pang jiu
wang » wing, wan, lang

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 yan ((((yang hua) OR (ying hua))) OR (yang jui)) ren ((yan jiu) OR (ying jin)) dang hadi ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yan ((((yang hua) OR (ying hua))) or (yang jui)) ren ((yan jiu) or (ying jin)) dang hadi ;~".
• Adding a wildcard symbol may retrieve word variants: wang yan ((((yang hua) OR (ying hua))) or (yang jui)) ren ((yan jiu) or (ying jin)) dang hadi ;*.