Perhaps you should try some spelling variations:
shang hai » shang kai, chang ha, hong hai
yan wang » yuan wang, yang yang, qian wang
wang hui » wang hua, wang zhi, wang wei
hui daun » bei daun
yang xi » yang di, yang jui
yang yi » yang di, yang jui
hong » long
kong » long, pong, ong

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 yan wang hui daun ((yang xi) OR (yang yi)) ((((shang hai) OR (dang hai))) OR (hong kong)) ;~.
• Adding a wildcard symbol may retrieve word variants: wang yan wang hui daun ((yang xi) or (yang yi)) ((((shang hai) or (dang hai))) or (hong kong)) ;*.