Perhaps you should try some spelling variations:
yuan wang » yuan kang, yuan chang, qian wang
yan liang » yang liang, wang liang, you liang
yan wang » yang yang, qian wang, yan zhang
yang jin » yang jie, yang jun, ying jin
dan hua » tan hua, wang hua, dong hua
hua ren » hua chen
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 wang)) dan hua ren ((yang jin) or (yan liang)) hong yu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((yuan wang) OR (yan wang)) dan hua ren ((yang jin) OR (yan liang)) hong yu ;.
• Adding a wildcard symbol may retrieve word variants: ((yuan wang) or (yan wang)) dan hua ren ((yang jin) or (yan liang)) hong yu ;*.