Perhaps you should try some spelling variations:
linear flow » line flow, linear plot
real linear » real line, local linear, total linear
dean money » than money, day money, can money
money real » money really, money great, money el
wang yang » wang yan, wang yanling
zhang zhi » zhong zhi, wang zhi, zhang wei
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: ((wang yang) OR (wang liang)) dean money real linear flow ((zhang zhi) OR (wong yue)) ;~.
• Adding a wildcard symbol may retrieve word variants: ((wang yang) or (wang liang)) dean money real linear flow ((zhang zhi) or (wong yue)) ;*.