Perhaps you should try some spelling variations:
wang wang » wang yang, wang liang, wang yan
wang ying » wang yang, wang yong, wang jing
hong hong » hong kong, hong jong, hong ng
ying hua » ming hua, wang hua, ying zhu
hua rene » hua ren, juan rene
yang jin » yang jie, yang jun, ying jin
yan jiu » yang jie, 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 wang ying hua rene ((yan jiu) or (yang jin)) hong hong ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang wang ying hua rene ((yan jiu) OR (yang jin)) hong hong ;*.