Perhaps you should try some spelling variations:
wang yuhan » wang luhang, wang yan, wang yidan
ahsan syed » khan syed
kung chung » fung chung, tung chung
yuhan kai » yuan kai
chan kung » chan kang, chan eng, chan fong
chung chi » chung h
than she » khan sher, than one, than we

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 ((than she) or (ahsan syed)) chan kung chung chi ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yuhan kai ((than she) OR (ahsan syed)) chan kung chung chi ;.
• Adding a wildcard symbol may retrieve word variants: wang yuhan kai ((than she) or (ahsan syed)) chan kung chung chi ;*.