Perhaps you should try some spelling variations:
yuan kang » yuan wang, yuan chang, chan kang
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 judy
yang jin » yang jie, ying jin, shang jin
wang yue » wong yue, wang hua, wang yan

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

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