Perhaps you should try some spelling variations:
caso transformed » has transformed, labor transformed, a transformed
transfer schemes » transfer scheme, transfer systems
food transfer » food transfers, funds transfer
schemes used » schemas used, schemes use, scheme use
aguas del » aguas de, aguas do
vague de » vagues de, langue de, vue de
del caso » el caso, de caso, del campo
de food » one food, use food

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: (( vague de food transfer schemes used ) OR ( aguas del caso transformed _ cao ))~.
• Adding a wildcard symbol may retrieve word variants: (( vague de food transfer schemes used ) or ( aguas del caso transformed _ cao ))*.