Perhaps you should try some spelling variations:
shang hai » shang kai, dang hai, chang ha
yang hua » wang hua, yang hui, ying hua
yang jui » yang judy, yang di, yang xi
tan ying » fan ying, ran ying, tan yang
ying ji » ying jin, jing ji, yang jie
lang a » lang 3, lang _, erlang a
wang » wing, wan

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 ((yang hua) OR (yang jui)) tan ying ji ((lang a) OR (shang hai)) ;~.
• Adding a wildcard symbol may retrieve word variants: wang yan ((yang hua) or (yang jui)) tan ying ji ((lang a) or (shang hai)) ;*.