Perhaps you should try some spelling variations:
yuan wang » yan wang, yuan kang, yuan chang
yan liang » yang liang, wang liang, you liang
dong hua » wang hua, tong hui, dong hoi
hua rene » hua ren, juan rene
yang jun » yang jui, pang jun, yang jin
yang jie » yang jin, yang di, yang jui
hong yu » wong yue

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 (yan liang)) dong hua rene ((yang jun) or (yang jie)) hong yu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((yuan wang) OR (yan liang)) dong hua rene ((yang jun) OR (yang jie)) hong yu ;.
• Adding a wildcard symbol may retrieve word variants: ((yuan wang) or (yan liang)) dong hua rene ((yang jun) or (yang jie)) hong yu ;*.