Perhaps you should try some spelling variations:
wang xiaoping » wang xiaodong, deng xiaoping, wang xiaolin
zhang zhang » zhen zhang, cheng zhang, zhang fang
yang liang » wang liang, yan liang, yang yang
shen zhang » zhen zhang, shen chang, cheng zhang
zhang hong » zhang rong, change hong, hong hong
yang fan » zhang fan, yang dean, yang yang
hong 7 » hong w, hong a, 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 xiaoping ((yang fan) OR (((yang liang) OR (wang yan)))) shen zhang zhang hong 7 ;~.
• Adding a wildcard symbol may retrieve word variants: wang xiaoping ((yang fan) or (((yang liang) or (wang yan)))) shen zhang zhang hong 7 ;*.