Perhaps you should try some spelling variations:
yuan kang » yuan wang, yuan chang, chan kang
yan liang » yang liang, wang liang, you liang
hua rene » hua ren, juan rene
yang jin » yang jie, yang jun, shang jin
ying jin » jing ji, yang jie
dan hua » tan hua, wang hua, dong hua
wang li » wang lei, wang lin, tang li
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 kang) OR (yan liang)) dan hua rene ((((yang jin) OR (ying jin))) OR (wang li)) hong yu ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((yuan kang) OR (yan liang)) dan hua rene ((((yang jin) OR (ying jin))) OR (wang li)) hong yu ;".
• Adding a wildcard symbol may retrieve word variants: ((yuan kang) OR (yan liang)) dan hua rene ((((yang jin) OR (ying jin))) OR (wang li)) hong yu ;*.