Perhaps you should try some spelling variations:
shang hai » shang kai, dang hai, chang ha
chai tan » chai tam, chai onn
tan yong » tan hong, tan kong, tan yang
yong jin » yang jin, ying jin, song jin
hong hai » zhong tai, dang hai, hong tan
ka chai » ka chuan, kim chai
yan ka » yang ka, yuan kai
wang » wing, wan, lang

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 ka chai tan yong jin ((hong hai) OR (shang hai)) ;~.
• Adding a wildcard symbol may retrieve word variants: wang yan ka chai tan yong jin ((hong hai) or (shang hai)) ;*.