Perhaps you should try some spelling variations:
cheng zhang » cheng han, zhen zhang, chen zheng
yidan wang » yiqian wang, yan wang, yuan wang
yuan cheng » yuan chang, huang cheng, yu cheng
zhang ming » zhang xin
qian wang » yiqian wang, qian rong, qian yan
zhong zhi » zhang zhi, hong ghi, zhong tai
zhang dai » zhang fan, zhang wei, zhang yan

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) or (qian wang)) yuan cheng zhang ming ((zhong zhi) or (zhang dai)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang ((yidan wang) OR (qian wang)) yuan cheng zhang ming ((zhong zhi) OR (zhang dai)) ;.
• Adding a wildcard symbol may retrieve word variants: wang ((yidan wang) or (qian wang)) yuan cheng zhang ming ((zhong zhi) or (zhang dai)) ;*.