Perhaps you should try some spelling variations:
wang xiaotong » wang xiaodong, wang xianodong, wang xiaoping
xiaotong hang » xiaotong zhang, xiaodong huang, xiaoyang tang
china yang » china ying, china wang, china chang
china yin » china ying, china y, china ya
jie zhang » jia zhang, li zhang, bin zhang
jie dang » vie dans, bie dans, jie song

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 hang ((china yin) OR (china yang)) fang ((jie dang) OR (jie zhang)) (hai OR hadi) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang xiaotong hang ((china yin) or (china yang)) fang ((jie dang) OR (jie zhang)) (hai or hadi) ;~".
• Adding a wildcard symbol may retrieve word variants: wang xiaotong hang ((china yin) or (china yang)) fang ((jie dang) OR (jie zhang)) (hai or hadi) ;*.