Perhaps you should try some spelling variations:
wang yidan » wang yan
ahsan syed » khan syed
fong chung » fung chung, fong chan, hong cheng
yidan kai » yuan kai
chew fong » chen rong
than she » khan sher, than one, than we
chung h » chun h, chung _, chung hee

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)) chew fong chung h ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yidan kai ((than she) OR (ahsan syed)) chew fong chung h ;*.