Perhaps you should try some spelling variations:
shang hai » shang kai, dang hai, chang ha
wang tan » wang yan, wang ban, wang dan
kai chai » ka chai, goi chai, kim chai
chai tan » chai tam, chai onn
tan kong » tan hong
kong jin » kong jia, song jin, kong john
hong hai » zhong tai, dang hai, hong tan
tan kai » tan kah, yuan kai

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