Perhaps you should try some spelling variations:
yuan wang » yuan kang, yuan chang, qian wang
shang hai » dang hai, chang ha, hong hai
zhong tai » hong tan, hong hai, zhong zhi
yang lin » yang jin, wang lin, yang li
yan wang » yang yang, qian wang, yan liang
lin yan » liu yan, lin man, lin nan
yan yi » yang yi, tan yi, yan zi

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: yang lin yan ((yuan wang) OR (yan wang)) yan yi ((shang kai) OR (((shang hai) OR (zhong tai)))) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "yang lin yan ((yuan wang) OR (yan wang)) yan yi ((shang kai) or (((shang hai) or (zhong tai)))) ;~".
• Adding a wildcard symbol may retrieve word variants: yang lin yan ((yuan wang) OR (yan wang)) yan yi ((shang kai) or (((shang hai) or (zhong tai)))) ;*.