Perhaps you should try some spelling variations:
bases transfers » based transfers, basin transfers, based transfer
transport mode » transport modes
transfers 3 » transfers _, transfer 3, transfer _
guias les » guide les, guias de
les bases » les causes
aguas do » aguas de, aguas del
mode a » mode ad, mode _, code a
3 ao » 3 a, 3 co, 3 do

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (( aguas do bus transport mode a ) or ( guias les bases transfers 3 ao ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( aguas do bus transport mode a ) OR ( guias les bases transfers 3 ao ))*.