Perhaps you should try some spelling variations:
wang xiaoping » wang xiaodong, deng xiaoping, huang xiaoting
wang xiaolin » wang xiaodong, wang jianbin, wang lianqin
han china » hang china, than china, can china
china who » china why, china what, china won
jie zhang » jia zhang, li zhang, bin zhang
who wang » who want, who wants, who can
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 xiaolin) OR (wang xiaoping)) han china who wang ((jie dang) OR (jie zhang)) (hai OR haji) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((wang xiaolin) OR (wang xiaoping)) han china who wang ((jie dang) or (jie zhang)) (hai or haji) ;~".
• Adding a wildcard symbol may retrieve word variants: ((wang xiaolin) OR (wang xiaoping)) han china who wang ((jie dang) or (jie zhang)) (hai or haji) ;*.