Perhaps you should try some spelling variations:
case transfers » cash transfers, based transfers, cash transfer's
sea transport » road transport, bus transport
services 6.1 » services 3.1, services 4.1, services 6.5
transfers 2 » transfers _, transfers 3, transfers 6
guia pde » guia de, guia do, guias de
pde case » ode case, edge case, idle case
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 services 6.1 ) OR ( guia pde case transfers 2 case ))~.
• Adding a wildcard symbol may retrieve word variants: (( aguas own sea transport services 6.1 ) or ( guia pde case transfers 2 case ))*.