Perhaps you should try some spelling variations:
chen yiqun » chen yun, shen yijun
yang yang » wang yang, wang yan
zhong zhi » zhang zhi, zhong tai
dong nan » dong yang, dong sin, dong bin
hong ghi » hong g
hong hai » shang hai, zhong tai, dang hai
yu chen » yu cheng, yi chen, yulu chen

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: ((yang yang) OR (dong nan)) yaa yu chen yiqun min ((zhong zhi) OR (((hong ghi) OR (hong hai)))) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((yang yang) or (dong nan)) yaa yu chen yiqun min ((zhong zhi) or (((hong ghi) OR (hong hai)))) ;~".
• Adding a wildcard symbol may retrieve word variants: ((yang yang) or (dong nan)) yaa yu chen yiqun min ((zhong zhi) or (((hong ghi) OR (hong hai)))) ;*.