Perhaps you should try some spelling variations:
wang yao » wang yan, yang yao, gang yao
yao ying » yao yang, gao ying, fan ying
ying hua » ming hua, wang hua, ying zhu
hua rent » hua ren
yang jin » yang jun, ying jin, shang jin
yang jie » yang di, yang jui, yang xi
yan jiu » pang jiu

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang yao ying hua rent ((yan jiu) or (((yang jin) or (yang jie)))) cong shu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yao ying hua rent ((yan jiu) OR (((yang jin) OR (yang jie)))) cong shu ;.
• Adding a wildcard symbol may retrieve word variants: wang yao ying hua rent ((yan jiu) or (((yang jin) or (yang jie)))) cong shu ;*.