Perhaps you should try some spelling variations:
shang hai » dang hai, chang ha, hong hai
wing yan » wang yan, wing ian, wing tan
tan yang » dan yang, tan ying, tan yong
yang jin » yang jie, yang jun, ying jin
yan yan » yan yuan, nan yan, yang yang
yan hua » tan hua, ya hua, wang hua
hua tan » hua ban, huan t'an
hong 7 » hong w, hong a, hong g

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: wing yan yan hua tan yang jin ((((shang kai) OR (shang hai))) OR (hong 7)) ;~.
• Adding a wildcard symbol may retrieve word variants: wing yan yan hua tan yang jin ((((shang kai) or (shang hai))) or (hong 7)) ;*.