Perhaps you should try some spelling variations:
yuan wang » yan wang, yuan kang, yuan chang
yang yang » wang yang
hua rene » hua ren, juan rene
ying jin » yang jin, jing ji, yang jie
yang lin » yang jin, wang lin, yang li
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.

• Performing a fuzzy search may retrieve terms with similar spellings: ((yuan wang) or (((yang yang) OR (wang yan)))) dan hua rene ((ying jin) or (yang lin)) wong yue ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((yuan wang) OR (((yang yang) OR (wang yan)))) dan hua rene ((ying jin) OR (yang lin)) wong yue ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((yuan wang) or (((yang yang) OR (wang yan)))) dan hua rene ((ying jin) or (yang lin)) wong yue ;".
• Adding a wildcard symbol may retrieve word variants: ((yuan wang) or (((yang yang) OR (wang yan)))) dan hua rene ((ying jin) or (yang lin)) wong yue ;*.