Perhaps you should try some spelling variations:
cheng zhang » cheng han, zhen zhang, chen zheng
wang yidan » wang yan
zhang ming » zhang xin
zhong zhi » hong ghi, zhong tai
zhang zhi » wang zhi, zhang wei, zhang dai
wang han » wang yan, wang ban, wang dan
kang han » kang chen, kong hang, zhang han

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

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