Perhaps you should try some spelling variations:
transform primer » transform order, transform power, transform fourier
haar transform » can transform, data transform, make transform
transfer model » transfer models, transfer money, transfer der
data transfer » cash transfer, heat transfer
luis a » luis f, luis c
a haar » _ haar, a hazard
luis 2 » luis f, luis c, luis e

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: (( luis a haar transform primer marc ) OR ( luis 2 data transfer model 3 ))~.
• Adding a wildcard symbol may retrieve word variants: (( luis a haar transform primer marc ) or ( luis 2 data transfer model 3 ))*.