Perhaps you should try some spelling variations:
wang daoping » wang xiaoping, wang danning, wang xiaobing
zhang dang » zhang fang, zhang zhang, zhang fan
dang hung » dang cuong, fung hung, ming hung
hung hsun » chung hsuan, chang hsun, hung sung
yang jin » yang jie, yang jun, ying jin
xi zhang » li zhang, xiao zhang, bin zhang

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 daoping) OR (wang yan)) ((yang jin) OR (yang di)) xi zhang dang hung hsun ;~.
• Adding a wildcard symbol may retrieve word variants: ((wang daoping) or (wang yan)) ((yang jin) or (yang di)) xi zhang dang hung hsun ;*.