Perhaps you should try some spelling variations:
shang hai » shang kai, dang hai, chang ha
yang jun » yang jui, pang jun, yang jin
wong yue » wang yue, hong yu
wai nan » wai yan
nan yan » nan ya, wang yan, qian yan
yan hua » tan hua, ya hua, wang hua
yang yi » yang di, yang xi, yang jui

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: wai nan yan hua ban ((yang yi) OR (((yang jun) OR (wong yue)))) shang hai ;~.
• Adding a wildcard symbol may retrieve word variants: wai nan yan hua ban ((yang yi) or (((yang jun) or (wong yue)))) shang hai ;*.