Perhaps you should try some spelling variations:
haar transform » can transform, make transform, hadamard transform
data transform » data transforms, data transfer, data transfers
mass transfer » cash transfer, basin transfer, mass transport
areas top » areas co, areas two
aguas do » aguas de, aguas del
do mass » does mass, low mass, how mass

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 top ((haar transform) OR (data transform)) ltl 5 ) OR ( aguas do mass transfer _ ao ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( areas top ((haar transform) OR (data transform)) ltl 5 ) or ( aguas do mass transfer _ ao ))~".
• Adding a wildcard symbol may retrieve word variants: (( areas top ((haar transform) OR (data transform)) ltl 5 ) or ( aguas do mass transfer _ ao ))*.