Perhaps you should try some spelling variations:
clean transport » ocean transport, urban transport, green transport
transport em » transport en, transport et, transport amp
transfers em » transfers im, transfers bei, transfers ein
guias dead » guias de
dead clean » need clean
em cacao » du cacao
de data » e data, wide data, de datos

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: (( guias dead clean transport em cao ) OR ( guias ((de data) OR (use data)) transfers em cacao ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( guias dead clean transport em cao ) or ( guias ((de data) OR (use data)) transfers em cacao ))~".
• Adding a wildcard symbol may retrieve word variants: (( guias dead clean transport em cao ) or ( guias ((de data) OR (use data)) transfers em cacao ))*.