Perhaps you should try some spelling variations:
wang xiaoping » wang xiaodong, deng xiaoping, wang xiaolin
xiaoping can » mapping can, xiaojing a, xiaoping _
change chuan » chang chuan, change can, change change
chung chuan » chen chuan
chan eng » chan fong, chan kang, chan ming
hong hai » shang hai, zhong tai, dang hai
hong ng » hong kong, hong jong, hong hong

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 xiaoping can ((change chuan) OR (chung chuan)) chan eng ((hong ng) OR (hong hai)) ;~.
• Adding a wildcard symbol may retrieve word variants: wang xiaoping can ((change chuan) or (chung chuan)) chan eng ((hong ng) or (hong hai)) ;*.