Perhaps you should try some spelling variations:
chuan chuan » chen chuan, chung chuan, chang chuan
hong cheng » hong sheng, ong cheng, zong cheng
wang xiao » wang qiao, wang xiaoyi, wang xiaozu
khan syed » ahsan syed, shah syed, khan sher
han chang » huang chang, than change, can change
ong chong » song chong, ong cheng, zong cheng

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 xiao ((khan syed) OR (han chang)) chuan chuan ((ong chong) OR (hong cheng)) hai ;~.
• Adding a wildcard symbol may retrieve word variants: wang xiao ((khan syed) or (han chang)) chuan chuan ((ong chong) or (hong cheng)) hai ;*.