Perhaps you should try some spelling variations:
wang yuhan » wang luhang, wang yan, wang yidan
yuhan kang » yuan kang, chan kang, yuhuan huang
ahsan syed » khan syed
fung chung » fung hung, kung chung, tung chung
chan fung » chan fong, can fund, chan eng
chung zhi » chung chi, chen zhi, chung h
can see » can seem, can she, can seize

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

• If you are trying to use Boolean operators, they must be ALL CAPS: wang yuhan kang ((can see) OR (ahsan syed)) chan fung chung zhi ;~.
• Adding a wildcard symbol may retrieve word variants: wang yuhan kang ((can see) or (ahsan syed)) chan fung chung zhi ;*.