Perhaps you should try some spelling variations:
wang yidan » wang yan
ahsan syed » khan syed
tung chung » fung chung, kung chung, tang chun
yidan kai » yuan kai
chan tung » chan eng, chan fong, chan kang
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 yidan kai ((than she) or (ahsan syed)) chan tung chung chi ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yidan kai ((than she) OR (ahsan syed)) chan tung chung chi ;.
• Adding a wildcard symbol may retrieve word variants: wang yidan kai ((than she) or (ahsan syed)) chan tung chung chi ;*.