Perhaps you should try some spelling variations:
xiaoping can » xiaojing a, xiaoping _, xiaoping how
mapping can » mapping land, mapping a, mapping carbon
yang cindy » yang mind
china due » china does, china des, china den
yang jin » yang jie, yang jun, ying jin
dang » dan, lang, dans
hai » hadi, haji, hari

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: wang ((xiaoping can) OR (mapping can)) china due ((yang jin) or (yang cindy)) dang hai ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang ((xiaoping can) OR (mapping can)) china due ((yang jin) OR (yang cindy)) dang hai ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang ((xiaoping can) OR (mapping can)) china due ((yang jin) or (yang cindy)) dang hai ;*".