Perhaps you should try some spelling variations:
wang yuhan » wang luhang, wang yan, wang yidan
ahsan syed » khan syed
kang chung » kung chung, kang young, dang hung
fang yuan » wang yan, meng yuan, tang yun
khan sher » han shen, khan syed, than she
chan kang » chung kang, chan eng, chan fong
chung zhi » chung chi, chen zhi, chung h

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: ((fang yuan) OR (wang yuhan)) kai ((khan sher) OR (ahsan syed)) chan kang chung zhi ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((fang yuan) OR (wang yuhan)) kai ((khan sher) or (ahsan syed)) chan kang chung zhi ;~".
• Adding a wildcard symbol may retrieve word variants: ((fang yuan) OR (wang yuhan)) kai ((khan sher) or (ahsan syed)) chan kang chung zhi ;*.