Perhaps you should try some spelling variations:
yuan wang » yan wang, yuan kang, yuan chang
shang hai » shang kai, dang hai, chang ha
gang yao » yang yao, ganga ya, sang yoo
yan yuan » yan guan, fang yuan, nan yan
hong ghi » zhong zhi, hong g, hong hai
yao yan » yao yang, jiao yan, tao yang
yan jun » yang jun, yan kun, san juan

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: gang yao yan yuan wang yan jun ((shang hai) or (hong ghi)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: gang yao yan yuan wang yan jun ((shang hai) OR (hong ghi)) ;*.