Perhaps you should try some spelling variations:
layered transform » lamperti transform, wavelet transform, leaders transform
transform test » transform teams, transform tvdft, transform fft
two layered » two layer
transport 4 » transport _, transport a, transport 4.1
areas two » areas co
guias de » guia de, guide de, aguas de
test a » test _, test 4, test 5
de bus » de boues, de busca
4 ao » 4 aoi, 4 a, 4 do

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 layered transform test a ) OR ( guias de bus transport 4 ao ))~.
• Adding a wildcard symbol may retrieve word variants: (( areas two layered transform test a ) or ( guias de bus transport 4 ao ))*.