Perhaps you should try some spelling variations:
transport system » transport sector
has transformed » have transformed, a transformed, law transformed
sea transport » road transport, bus transport
very sea » very idea, very weak, very few
guias de » guia de, guide de, aguas de
de has » de haas, he has, dm has

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

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