Perhaps you should try some spelling variations:
zhang money » than money, ghana money
real linear » real line, local linear, total linear
linear plot » line plot, linear flow, linear logit
money real » money really, money great, money el
yan zhang » yuan chang, bin zhang, han chang
zhong zhi » zhang zhi, hong ghi, zhong tai
wing yan » wang yan, wing ian, wing tan
hong yu » wong yue

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

• Performing a fuzzy search may retrieve terms with similar spellings: wing yan zhang money real linear plot ((zhong zhi) or (hong yu)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wing yan zhang money real linear plot ((zhong zhi) OR (hong yu)) ;*.