Perhaps you should try some spelling variations:
yuan wang » yan wang, yuan kang, yuan chang
wang lang » wang liang, wang yang, lang lang
sang minh » kang minah, anh minh, song min
lang zhu » liang zhu, fang zhou, gang zhou
zhu rene » zhu ren
yang jun » yang jui, pang jun, yang jin
wong yue » wang yue, hong yu

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 lang zhu rene ((sang minh) OR (yang jun)) wong yue ;~.
• Adding a wildcard symbol may retrieve word variants: yuan wang lang zhu rene ((sang minh) or (yang jun)) wong yue ;*.