Perhaps you should try some spelling variations:
wang xiaobing » wang xiaoping, wang xiaodong, wang xiaolin
xiaobing can » xiaojing a
yang cindy » yang mind
china due » china does, china des, china den
chang min » zhang ming, chang mae, chan ming
tang min » sang minh, yang mind, tang li

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 xiaobing can china due ((yang cindy) OR (((tang min) OR (chang min)))) dang (hai OR haji) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang xiaobing can china due ((yang cindy) or (((tang min) OR (chang min)))) dang (hai or haji) ;~".
• Adding a wildcard symbol may retrieve word variants: wang xiaobing can china due ((yang cindy) or (((tang min) OR (chang min)))) dang (hai or haji) ;*.