Perhaps you should try some spelling variations:
federal transport » federal transfers, federal transfer, feeder transport
transport system » transport sector
data transfers » data transfer, water transfers, cash transfers
de federal » der federal, des federal, die federal
system cas » system case, system can, systems case
vagues de » vague de, values de, langues de
aguas eo » aguas do, aguas del, agua e

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 federal transport system cas ) OR ( aguas eo data transfers _ macro ))~.
• Adding a wildcard symbol may retrieve word variants: (( vagues de federal transport system cas ) or ( aguas eo data transfers _ macro ))*.