Perhaps you should try some spelling variations:
wang xiaoping » wang xiaodong, deng xiaoping, wang xiaolin
change coping » change scoping, change mowing, change comparing
phan change » than change, phase change, chain change
zhong zhi » zhang zhi, zhong tai
wang dan » wang ban, wang yidan, wang yang
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 dan) OR (wang yan)) phan change coping ((hong ghi) or (zhong zhi)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang xiaoping ((wang dan) OR (wang yan)) phan change coping ((hong ghi) OR (zhong zhi)) ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang xiaoping ((wang dan) OR (wang yan)) phan change coping ((hong ghi) or (zhong zhi)) ;".
• Adding a wildcard symbol may retrieve word variants: wang xiaoping ((wang dan) OR (wang yan)) phan change coping ((hong ghi) or (zhong zhi)) ;*.