Perhaps you should try some spelling variations:
wang xiaotong » wang xiaodong, wang xianodong, wang xiaoping
zhang hua » zhang hui, zhang shuo, wang hua
zhong zhi » zhang zhi, zhong tai
fang jun » pang jun, yang jun, wang jun
hong ghi » hong g, hong hai
yu fang » yu gang, yu wang, yu yang
hua yu » hua mu

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 xiaotong zhang hua yu fang jun ((zhong zhi) OR (hong ghi)) ;~.
• Adding a wildcard symbol may retrieve word variants: wang xiaotong zhang hua yu fang jun ((zhong zhi) or (hong ghi)) ;*.