Perhaps you should try some spelling variations:
change comparing » change coping, change preparing, chile comparing
comparing hong » comparing our, comparing body, comparing both
wang xiaoping » wang xiaodong, deng xiaoping, wang xiaolin
wang can » wang yan, wang dan, wang yang
wang ban » wang yan, wang dan, wang yang
hong ghi » zhong zhi, 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) OR (wang ban)) when change comparing hong ghi ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang xiaoping ((wang can) OR (wang ban)) when change comparing hong ghi ;*".