Perhaps you should try some spelling variations:
based transfers » basin transfers, cash transfers, land transfers
transport price » transport service, transport policy, transport services
sea transport » road transport, bus transport
price 6.1 » price 6.11, price 4.1, rice 6.1
pde based » pose based, code based, edge based
guia pde » guia de, guia do, guias de
own sea » own ses, own seed, own real
aguas » agus, agua

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: (( aguas own sea transport price 6.1 ) OR ( guia pde based transfers _ case ))~.
• Adding a wildcard symbol may retrieve word variants: (( aguas own sea transport price 6.1 ) or ( guia pde based transfers _ case ))*.