Perhaps you should try some spelling variations:
wang xiaobing » wang xiaoping, wang xiaodong, huang xiaoting
wang xiaolin » wang xiaoping, wang xiaodong, wang jianbin
yang cindy » yang mind
china den » chinas den, china des, china does
yang jun » yang jui, pang jun, yang jin
4 china » 2 china
dang » dan, lang, 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: ((wang xiaobing) OR (wang xiaolin)) 4 china den ((yang jun) OR (yang cindy)) dang (hai OR hari) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((wang xiaobing) or (wang xiaolin)) 4 china den ((yang jun) or (yang cindy)) dang (hai OR hari) ;~".
• Adding a wildcard symbol may retrieve word variants: ((wang xiaobing) or (wang xiaolin)) 4 china den ((yang jun) or (yang cindy)) dang (hai OR hari) ;*.