Perhaps you should try some spelling variations:
mass transport » gas transport, mass transit, bus transport
transform std » transform cote, transform test, transform _
two wavelet » two wavelength, from wavelet
areas two » areas co
guias de » guia de, guide de, aguas de
de mass » de masse, de mais, de masa
std a » atd a, ltd a, sad a
4 aoi » 4 api
4 ao » 4 a, 4 do, 3 ao

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (( areas two wavelet transform std a ) or ( guias de mass transport ((4 ao) OR (4 aoi)) ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( areas two wavelet transform std a ) OR ( guias de mass transport ((4 ao) OR (4 aoi)) ))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( areas two wavelet transform std a ) or ( guias de mass transport ((4 ao) OR (4 aoi)) ))*".