Perhaps you should try some spelling variations:
transfer systeme » transfer systems, transfer system, transfers system
mass transfer » cash transfer, basin transfer, mass transport
a transformed » _ transformed, _ transformer, a transforming
vagues de » vague de, values de, langues de
aguas de » aguas del, aguas do, agua e
de mass » de masse, de mais, de masa
de a » de la, de sa, der a

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: (( vagues de mass transfer systeme versus ) OR ( aguas de a transformed _ capo ))~.
• Adding a wildcard symbol may retrieve word variants: (( vagues de mass transfer systeme versus ) or ( aguas de a transformed _ capo ))*.