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
tan zhang » yan zhang, tang zheng, tan hong
zhang zhi » zhong zhi, wang zhi, zhang wei
wing tan » wing ian, liang tan, hong 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 tan zhang money real linear plot ((zhang zhi) or (hong yu)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wing tan zhang money real linear plot ((zhang zhi) OR (hong yu)) ;*.