Perhaps you should try some spelling variations:
yuan chang » yuan cheng, huang chang, han chang
yang yang » wang yang, wang yan
hua rene » hua ren, juan rene
yang jin » yang jun, ying jin, shang jin
yang jie » yang di, yang jui, yang xi
wang lin » wang li, wang qin, yang lin
wong yue » wang yue, hong yu

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((yuan chang) or (yang yang)) wang hua rene ((((yang jin) or (yang jie))) or (wang lin)) wong yue ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((yuan chang) OR (yang yang)) wang hua rene ((((yang jin) OR (yang jie))) OR (wang lin)) wong yue ;.
• Adding a wildcard symbol may retrieve word variants: ((yuan chang) or (yang yang)) wang hua rene ((((yang jin) or (yang jie))) or (wang lin)) wong yue ;*.