Perhaps you should try some spelling variations:
cheng han » chen hao
wang nan » wang yan, wang ban, wang dan
nan yang » dan yang, nan yan, tan yang
li cheng » li chen, xi cheng, lei sheng
wong siu » wong shiu, kong siu, wong sau
wong sam » wong sau, wong lai, kong sar
yang li » yang lin, yang di, yang xi
han xin » hai xin, han min, tan xin

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang nan yang li cheng han xin ((wong siu) or (wong sam)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang nan yang li cheng han xin ((wong siu) OR (wong sam)) ;*.