Perhaps you should try some spelling variations:
transform primer » transform order, transform power, transform fourier
masse transform » make transform, mass transfer, cosine transform
transform fairs » transform pairs, transform family, transform haar
haar transform » can transform, data transform, make transform
primer a » primer _, primers _, printer a
guide de » guide _, guide a, guide 1
de masse » de mise
fairs 3 » fairs _, fairs a
guias » guia

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: (( guias _ haar transform primer a ) OR ( guide de masse transform fairs 3 ))~.
• Adding a wildcard symbol may retrieve word variants: (( guias _ haar transform primer a ) or ( guide de masse transform fairs 3 ))*.