Perhaps you should try some spelling variations:
wang dong » wang yong, wang hong, wang yang
dong yang » dong hoang, wang yang, yang yang
yang hua » wang hua, yang hui, ying hua
hua rene » hua ren, juan rene
yang jin » yang jie, yang jun, shang jin
ying jin » jing ji, yang jie
yan jiu » yang jie, pang jiu
hai » hadi, haji, hari

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