Perhaps you should try some spelling variations:
wang yuan » wang yuhan, wang yan, fang yuan
shang hai » shang kai, chang ha, hong hai
yuan kim » tan kim, yap kim, eun kim
kim chai » ka chai
chai dan » chai onn, chai tam, shi dan
dan ying » dan qing, dan yang, fan ying
ying jin » yang jin, jing ji, yang jie

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 yuan kim chai dan ying jin ((dang hai) OR (shang hai)) ;~.
• Adding a wildcard symbol may retrieve word variants: wang yuan kim chai dan ying jin ((dang hai) or (shang hai)) ;*.