Perhaps you should try some spelling variations:
ahsan syed » khan syed
khan sher » han shen, khan syed, than she
chan kang » chung kang, chan eng, chan fong
kang chen » chang chen, jane chen, kang han
yuan kai » yuan kang, yuan fei, yuan hui
chen zhi » chen zhe, chen zhen, chen chih
tan kai » tan kah

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

• Performing a fuzzy search may retrieve terms with similar spellings: fang ((yuan kai) or (tan kai)) ((khan sher) or (ahsan syed)) chan kang chen zhi ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: fang ((yuan kai) OR (tan kai)) ((khan sher) OR (ahsan syed)) chan kang chen zhi ;.
• Adding a wildcard symbol may retrieve word variants: fang ((yuan kai) or (tan kai)) ((khan sher) or (ahsan syed)) chan kang chen zhi ;*.