Perhaps you should try some spelling variations:
khan sher » han shen, khan syed
dong cao » dong xiao, dan cao, dong nan
dong bin » dong sin, dong di, dann bin
yang jin » yang jie, yang jun, ying jin
yang jui » yang judy, yang di, yang xi
than she » than one, than we, can she
yi chen » jui chen

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((dong cao) or (dong bin)) ya yi chen ((yang jin) or (yang jui)) ((than she) or (khan sher)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((dong cao) OR (dong bin)) ya yi chen ((yang jin) OR (yang jui)) ((than she) OR (khan sher)) ;.
• Adding a wildcard symbol may retrieve word variants: ((dong cao) or (dong bin)) ya yi chen ((yang jin) or (yang jui)) ((than she) or (khan sher)) ;*.