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