Perhaps you should try some spelling variations:
layered transform » lamperti transform, wavelet transform, leaders transform
mass transport » gas transport, mass transit, bus transport
transform sft » transform fft, transform std, transform slant
two layered » two layer
transport 3 » transport _, transport a, transport 4
areas two » areas co
guias de » guia de, guide de, aguas de
de mass » de masse, de mais, de masa
sft a » set a, sft 3
3 ao » 3 a, 3 co, 3 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 sft a ) OR ( guias de mass transport 3 ao ))~.
• Adding a wildcard symbol may retrieve word variants: (( areas two layered transform sft a ) or ( guias de mass transport 3 ao ))*.