Perhaps you should try some spelling variations:
wang danning » wang yanling, wang daoping, wang yangming
china daun » china data, china den, china daqing
china due » china does, china des, china den
zhong tai » hong tan, zhong zhi
yang jin » yang jie, yang jun, ying jin
hong hai » shang hai, 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 danning tuan ((china daun) OR (china due)) yang jin ((hong hai) OR (zhong tai)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang danning tuan ((china daun) or (china due)) yang jin ((hong hai) OR (zhong tai)) ;~".
• Adding a wildcard symbol may retrieve word variants: wang danning tuan ((china daun) or (china due)) yang jin ((hong hai) OR (zhong tai)) ;*.