Perhaps you should try some spelling variations:
lamberti transform » lamperti transform
transform test » transform teams, transform tvdft, transform fft
gases transfer » mass transfer, based transfer, gas transfer
areas two » areas co
de gases » de bases, _ gases, f gases
test 5 » test _, test 4
3 do » 3 d, 1 do, 3 co

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: (( areas two lamberti transform test 5 ) OR ( guia de gases transfer ((3 do) OR (_ do)) ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( areas two lamberti transform test 5 ) or ( guia de gases transfer ((3 do) OR (_ do)) ))~".
• Adding a wildcard symbol may retrieve word variants: (( areas two lamberti transform test 5 ) or ( guia de gases transfer ((3 do) OR (_ do)) ))*.