Perhaps you should try some spelling variations:
bases transfers » based transfers, basin transfers, based transfer
transport fuel » transport fares
sea transport » road transport, bus transport
areas cows » areas co, areas coal
cows sea » cows dead, cross sea
guias de » guia de, guide de, aguas de
de bases » de base, de gases, les bases
fuel 4 » fuel _, fuel a, fuel 4.5

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 cows sea transport fuel 4 ) OR ( guias de bases transfers _ do ))~.
• Adding a wildcard symbol may retrieve word variants: (( areas cows sea transport fuel 4 ) or ( guias de bases transfers _ do ))*.