Perhaps you should try some spelling variations:
yuan wang » yan wang, yuan kang, yuan chang
yang yang » wang yang, wang yan
hua rene » hua ren, juan rene
yang jie » yang jin, yang di, yang jui
yang lin » yang jin, wang lin, yang li
wong yue » hong yu
wang yue » wang hua, wang yan, wang he
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 (yang yang)) dan hua rene ((yang jie) OR (yang lin)) ((wong yue) OR (wang yue)) ;~.
• Adding a wildcard symbol may retrieve word variants: ((yuan wang) or (yang yang)) dan hua rene ((yang jie) or (yang lin)) ((wong yue) or (wang yue)) ;*.