Perhaps you should try some spelling variations:
khan sher » han shen, than she
khan syed » shah syed
chan fong » chew fong, chan eng, chan kang
fong chen » fong chan, hong cheng, zong cheng
chen zhi » chen zhe, chen zhen, chen chih
yan kai » yuan kai, tan kai
wang » wing, wan, lang

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

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