Perhaps you should try some spelling variations:
transport fuels » transport fuel, transport fares, transport access
cash transfer » cash transfers
transfer a » transfer _, transfer 3, transfer 4
guias do » guia do, guias de, guia de
coal le » coal bed, coal fly, coal key
fuels _ » fuel _
a ao » a a, a co, a o

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 ((coal le) OR (coal use)) transport fuels _ ) OR ( guias do cash transfer a ao ))~.
• Adding a wildcard symbol may retrieve word variants: (( areas ((coal le) or (coal use)) transport fuels _ ) or ( guias do cash transfer a ao ))*.