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
daun yang » dan yang, du yang, tan yang
shang hai » shang kai, dang hai, chang ha
yang jin » yang jie, yang jun, ying jin
hong hai » zhong tai, dang hai, hong tan

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 ((hong hai) OR (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 ((hong hai) OR (shang hai)) ;~".
• Adding a wildcard symbol may retrieve word variants: ((wang ning) or (wang daoping)) taiwan china daun yang jin ((hong hai) OR (shang hai)) ;*.