Perhaps you should try some spelling variations:
transform ist » transform test, transform fft, transform std
do legendre » _ legendre, bei legendre
transfer 3 » transfer _, transfer 4, transfer a
aguas do » aguas de, aguas del
ist mann » ist dann, test mann, ist denn
guias de » guia de, guide de, aguas de
3 macao » _ macao, 3 macro
heat » head

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: (( aguas do legendre transform ist mann ) OR ( guias de heat transfer 3 macao ))~.
• Adding a wildcard symbol may retrieve word variants: (( aguas do legendre transform ist mann ) or ( guias de heat transfer 3 macao ))*.