Perhaps you should try some spelling variations:
shen changes » when change, been changes, shen chang
changes made » changes a, changes due
wang ping » wang jing, wang ning, wang peng
zhong zhi » zhang zhi, hong ghi, zhong tai
wang han » kang han, wang ban, wang dan
hong g » hong ng, hong w, hong 7

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang ping ((wang han) OR (wang yan)) shen changes made ((zhong zhi) or (hong g)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang ping ((wang han) OR (wang yan)) shen changes made ((zhong zhi) OR (hong g)) ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang ping ((wang han) OR (wang yan)) shen changes made ((zhong zhi) or (hong g)) ;".
• Adding a wildcard symbol may retrieve word variants: wang ping ((wang han) OR (wang yan)) shen changes made ((zhong zhi) or (hong g)) ;*.