Perhaps you should try some spelling variations:
wang xiaoping » wang xiaodong, deng xiaoping, wang xiaolin
xiaoping yang » xiaoyang tang
chan ming » kian ming, chan eng, chan kang
chan fong » chew fong, chan eng, chan kang
zhang zhi » zhong zhi, wang zhi, zhang wei
yang fan » zhang fan, yang dean, yang yang
fan shen » han shen, fang sheng, fang zhen

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang xiaoping yang fan shen ((chan ming) or (chan fong)) zhang zhi ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang xiaoping yang fan shen ((chan ming) OR (chan fong)) zhang zhi ;*.