Perhaps you should try some spelling variations:
transform primer » transform order, transform power, transform fourier
transform pairs » transform haar, transform cities, transform crisis
data transform » data transforms, data transfer, data transfers
why should » what should
we should » who should, _ should
primer 3 » primer _, primes 3, primers _
guias 3 » guias de
pairs 6 » pairs _, pairs 4, pairs 1

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 3 data transform primer 3 ) OR ( guias ((we should) OR (why should)) transform pairs 6 ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( guias 3 data transform primer 3 ) or ( guias ((we should) OR (why should)) transform pairs 6 ))~".
• Adding a wildcard symbol may retrieve word variants: (( guias 3 data transform primer 3 ) or ( guias ((we should) OR (why should)) transform pairs 6 ))*.