Perhaps you should try some spelling variations:
yuan kang » yuan wang, yuan chang, chan kang
yan liang » yang liang, wang liang, you liang
juan rene » juan meng, juan rana
dan juan » san juan, don juan, diaz juan
yang xi » yang di, yang jui
yang yi » yang di, yang jui
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.

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