Perhaps you should try some spelling variations:
ahsan syed » khan syed
wang yuhan » wang luhang, wang yan, wang yidan
yuhan kai » yuan kai
khan sher » han shen, khan syed, than she
chan kang » chung kang, chan eng, chan fong
kang chun » kang chen, tang chun, wang chun
chun h » chung h, chun _, chun i

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

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