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

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 (yan wang)) 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) OR (yan wang)) han cheng zhang ming ((zhong zhi) OR (zhang zhi)) ;.
• Adding a wildcard symbol may retrieve word variants: wang ((yidan wang) or (yan wang)) han cheng zhang ming ((zhong zhi) or (zhang zhi)) ;*.