Perhaps you should try some spelling variations:
transport firms » transport fares, transport fuels, transport air
den transport » de transport, sea transport, ion transport
transfer 3 » transfer _, transfer 4, transfer 3.2
transfer a » transfer _, transfer 4, transfer der
areas act » areas a, areas air, areas co
aguas de » aguas del, aguas do, vagues de
act den » act der, act does
firms a » firms _
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: (( areas act den transport firms a ) OR ( aguas de heat ((transfer 3) OR (transfer a)) a ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( areas act den transport firms a ) or ( aguas de heat ((transfer 3) OR (transfer a)) a ))~".
• Adding a wildcard symbol may retrieve word variants: (( areas act den transport firms a ) or ( aguas de heat ((transfer 3) OR (transfer a)) a ))*.