Perhaps you should try some spelling variations:
borel transforms » fourier transforms, other transforms, l transforms
transforms em » transforms _, transforms a, transforms b
transfer em » transfer beim, transfer der, transfer fee
aguas del » aguas de, aguas do
del borel » del boe
luis de » luis e
heat » head

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (( luis de heat transfer em acao ) or ( aguas del borel transforms em cao ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( luis de heat transfer em acao ) OR ( aguas del borel transforms em cao )).
• Adding a wildcard symbol may retrieve word variants: (( luis de heat transfer em acao ) or ( aguas del borel transforms em cao ))*.