Perhaps you should try some spelling variations:
real linear » real line, local linear, total linear
linear plot » line plot, linear flow, linear logit
mann money » oman money
can money » than money, iran money, oman money
zhang zhi » zhong zhi, wang zhi, zhang wei
wing han » wing ian, wing tan, ing hans
wong yue » wang yue, hong yu

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

• If you are trying to use Boolean operators, they must be ALL CAPS: wing han ((can money) OR (mann money)) real linear plot ((zhang zhi) OR (wong yue)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wing han ((can money) OR (mann money)) real linear plot ((zhang zhi) or (wong yue)) ;~".
• Adding a wildcard symbol may retrieve word variants: wing han ((can money) OR (mann money)) real linear plot ((zhang zhi) or (wong yue)) ;*.