Perhaps you should try some spelling variations:
wang daoping » wang xiaoping, wang danning, wang xiaobing
shang hai » shang kai, dang hai, chang ha
yang jin » yang jie, yang jun, ying jin
hong hai » zhong tai, dang hai, hong tan
tan hua » tuan hua, wang hua, tan chia
yu yang » du yang, yi yang, yu fang
hua yu » hua mu

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) OR (wang daoping)) tan hua yu yang jin ((hong hai) OR (shang hai)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((wang yanling) or (wang daoping)) tan hua yu yang jin ((hong hai) OR (shang hai)) ;~".
• Adding a wildcard symbol may retrieve word variants: ((wang yanling) or (wang daoping)) tan hua yu yang jin ((hong hai) OR (shang hai)) ;*.