Perhaps you should try some spelling variations:
khan syed » ahsan syed, shah syed, khan sher
chen yang » chen rong
dong nan » dong yang, dong bin
dong cao » dong xiao, dan cao, yong cai
yang jui » yang judy, yang di, yang xi
qian shu » qian hu, jian she, tan shu
yi chen » jui chen
sin » sign, sind, skin

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((((dong nan) OR (dong cao))) or (dong sin)) ya yi chen yang jui ((qian shu) or (khan syed)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((dong nan) OR (dong cao))) OR (dong sin)) ya yi chen yang jui ((qian shu) OR (khan syed)) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((dong nan) OR (dong cao))) or (dong sin)) ya yi chen yang jui ((qian shu) or (khan syed)) ;*".