Perhaps you should try some spelling variations:
green transport » urban transport, carbon transport
transfer agents » transfer payments, transfer amounts, transfer payment
agents across » agents actions, trends across, arts across
age data » wage data, cge data, image data
aguas 2 » agua 2, aguas de, aguas do
e data » e datas, cge data, mwe data

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (( guias ((e data) or (age data)) transfer agents across ) or ( aguas 2 green transport _ coda ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( guias ((e data) OR (age data)) transfer agents across ) OR ( aguas 2 green transport _ coda )).
• Adding a wildcard symbol may retrieve word variants: (( guias ((e data) or (age data)) transfer agents across ) or ( aguas 2 green transport _ coda ))*.