Perhaps you should try some spelling variations:
wang xiaoping » wang xiaodong, deng xiaoping, wang xiaolin
xiaoping wang » xiaoyang tang
change mowing » change making, change coping, change mapping
zhong zhi » zhang zhi, zhong tai
can when » can women, can win
hong ghi » hong g, hong hai

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 wang ((can when) or (can we)) change mowing ((hong ghi) OR (zhong zhi)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang xiaoping wang ((can when) OR (can we)) change mowing ((hong ghi) OR (zhong zhi)) ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang xiaoping wang ((can when) or (can we)) change mowing ((hong ghi) OR (zhong zhi)) ;".
• Adding a wildcard symbol may retrieve word variants: wang xiaoping wang ((can when) or (can we)) change mowing ((hong ghi) OR (zhong zhi)) ;*.