Perhaps you should try some spelling variations:
yuan wang » yan wang, yuan kang, yuan chang
wang yang » wang yan, wang liang, wang yanling
hua rene » hua ren, juan rene
yang jin » yang jie, yang jun, ying jin
wang lin » wang li, wang qin, yang lin
wong yue » wang yue, hong yu
dan hua » tan hua, wang hua, dong hua

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: ((yuan wang) OR (wang yang)) dan hua rene ((yang jin) OR (wang lin)) wong yue ;~.
• Adding a wildcard symbol may retrieve word variants: ((yuan wang) or (wang yang)) dan hua rene ((yang jin) or (wang lin)) wong yue ;*.