Perhaps you should try some spelling variations:
wang yuan » wang yuhan, wang yan, fang yuan
shang hai » shang kai, dang hai, chang ha
yuan kai » yuan kang, yuan fei, tan kai
kai chai » ka chai, goi chai, kim chai
chai tan » chai tam, chai onn
hong jin » song jin, shang jin, hong jong
hong hai » zhong tai, dang hai, hong tan

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

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