Perhaps you should try some spelling variations:
"luis _ ocean transport demand local" » "luis _ urban transport demand local", "luis _ green transport demand local", "luis _ sea transport demand local", "luis _ ocean transport demand model", "luis _ ocean transport demand level", "luis _ ocean transport demand low"
"bus users water transfer fee acao" » "bus users water transfer fees acao", "bus users water transfer der acao", "bus users water transfer from acao", "bus use water transfer fee acao", "bus used water transfer fee acao", "bus users chapter transfer fee acao", "gas users water transfer fee acao", "bus users water transfer de acao"

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: (("bus users water transfer fee acao") OR ("luis _ ocean transport demand local"))~.
• Removing quotes may allow a broader search: (( bus users water transfer fee acao ) or ( luis _ ocean transport demand local ))~.
• Adding a wildcard symbol may retrieve word variants: (("bus users water transfer fee acao") or ("luis _ ocean transport demand local"))*.