Perhaps you should try some spelling variations:
yuan chang » yuan cheng, huang chang, han chang
juan rene » juan meng, juan rana
yan wang » yuan wang, yang yang, qian wang
qian yan » qian jun, qian yi
yang jin » yang jie, yang jun, ying jin
yang jui » yang judy, yang di, yang xi
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: ((((yan wang) OR (qian yan))) OR (yuan chang)) san juan rene ((yang jin) OR (yang jui)) wong yue ;~.
• Adding a wildcard symbol may retrieve word variants: ((((yan wang) or (qian yan))) or (yuan chang)) san juan rene ((yang jin) or (yang jui)) wong yue ;*.