Perhaps you should try some spelling variations:
china chang » chin chang, china zhang, china changqi
huang chang » huang cheng, hoong chang, huang yang
chung chuan » chen chuan
wang xiao » wang qiao, wang xiaoyi, wang xiaozu
chuan eng » chan eng, chuan bang, chua beng
hong a » hong ma, hong w, kong a
hong 7 » hong w, hong g

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 ((china chang) OR (huang chang)) chung chuan eng ((hong a) OR (hong 7)) ;~.
• Adding a wildcard symbol may retrieve word variants: wang xiao ((china chang) or (huang chang)) chung chuan eng ((hong a) or (hong 7)) ;*.