Perhaps you should try some spelling variations:
yan shang » yan zhang, yuan chang, gao shang
shang hai » shang kai, dang hai, chang ha
wing tan » liang tan, hong tan, tin tan
wing ian » twinn ian, wing sun
kong siu » kong eiu, dong sin, kong sar
wong siu » wong shiu, wong sau, wong siew
wan yan » wang yan, nan yan, wai yan

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: wan yan shang hai (rest OR west) ((wing tan) OR (wing ian)) ((kong siu) OR (wong siu)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wan yan shang hai (rest or west) ((wing tan) or (wing ian)) ((kong siu) OR (wong siu)) ;~".
• Adding a wildcard symbol may retrieve word variants: wan yan shang hai (rest or west) ((wing tan) or (wing ian)) ((kong siu) OR (wong siu)) ;*.