Perhaps you should try some spelling variations:
xiaodong huang » xiaotong zhang
xiaotong hang » xiaotong zhang, xiaoyang tang
china wen » chia wen, china won, ching wen
wen wang » wei wang, chen wang, weng fang
wang jie » yang jie, tang jie, wang jing
jie dang » jie zhang, vie dans, bie dans

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: du ((xiaotong hang) OR (xiaodong huang)) china wen wang jie dang (hai OR hari) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "du ((xiaotong hang) OR (xiaodong huang)) china wen wang jie dang (hai or hari) ;~".
• Adding a wildcard symbol may retrieve word variants: du ((xiaotong hang) OR (xiaodong huang)) china wen wang jie dang (hai or hari) ;*.