Perhaps you should try some spelling variations:
yuan wang » yan wang, yuan kang, yuan chang
shang hai » shang kai, dang hai, chang ha
zhong zhi » zhang zhi, hong ghi, zhong tai
wang lin » wang li, wang qin, yang lin
yan yuan » yan guan, fang yuan, nan yan
lin yan » liu yan, lin man, lin nan
yang yi » yang di, yang jui
yang xi » yang di, yang jui

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: wang lin yan yuan wang ((yang yi) OR (yang xi)) ((shang hai) OR (zhong zhi)) ;~.
• Adding a wildcard symbol may retrieve word variants: wang lin yan yuan wang ((yang yi) or (yang xi)) ((shang hai) or (zhong zhi)) ;*.