Perhaps you should try some spelling variations:
wuhan china » tuan china, yunnan china
china data » china update, chinese data
shang hai » shang kai, dang hai, chang ha
ying jin » yang jin, jing ji, yang jie
yang jun » pang jun, yang jin, yang judy
yang jui » yang judy, yang di, yang xi
wang » wing, wan, lang

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 yanling wuhan china data ((ying jin) OR (((yang jun) OR (yang jui)))) shang hai ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yanling wuhan china data ((ying jin) or (((yang jun) OR (yang jui)))) shang hai ;~".
• Adding a wildcard symbol may retrieve word variants: wang yanling wuhan china data ((ying jin) or (((yang jun) OR (yang jui)))) shang hai ;*.