Perhaps you should try some spelling variations:
wang daoping » wang xiaoping, wang danning, wang xiaobing
china daun » china data, china den, china due
wang ning » wang jing, wang liang, wang yang
shang hai » shang kai, dang hai, chang ha
yang jin » yang jie, ying jin, shang jin
yang jun » yang jui, pang jun, yang judy

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