Perhaps you should try some spelling variations:
transport rates » transport strategy, transport access, transport strategies
cas transfer » cash transfer, cast transfer, gas transfer
3 transport » de transport, bus transport, sea transport
gas well » gas wells
rates 13 » rates 1.3, rates 1, rates 19
well 3 » well _, well a, cell 3

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: (( gas well 3 transport rates 13 ) OR ( guia de cas transfer _ do ))~.
• Adding a wildcard symbol may retrieve word variants: (( gas well 3 transport rates 13 ) or ( guia de cas transfer _ do ))*.