Perhaps you should try some spelling variations:
federal transfer » federal transfers, central transfers, fiscal transfer
transfer risks » transfer risk
sands transfer » funds transfer, land transfer, funds transfers
la federal » law federal, a federal, usa federal
agudo la » agua la
risks a » risks _, risks 4, risks 3

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: (( agudo la federal transfer risks a ) OR ( ((curcas oil) OR (lucas oil)) sands transfer _ can ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( agudo la federal transfer risks a ) or ( ((curcas oil) OR (lucas oil)) sands transfer _ can ))~".
• Adding a wildcard symbol may retrieve word variants: (( agudo la federal transfer risks a ) or ( ((curcas oil) OR (lucas oil)) sands transfer _ can ))*.