Perhaps you should try some spelling variations:
transport system » transport sector
sided transport » sea transport, de transport, river transport
cas transform » can transform, has transformed, ideas transform
one sided » one size
guia one » guia de, via one
guias de » guia de, guide de, aguas de

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( guia one sided transport system a ) or ( guias de cas transform _ acao ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( guia one sided transport system a ) OR ( guias de cas transform _ acao )).
• Adding a wildcard symbol may retrieve word variants: (( guia one sided transport system a ) or ( guias de cas transform _ acao ))*.