Perhaps you should try some spelling variations:
transport lng » transport plans, transport _, transport a
transport law » transport _
transfer 3 » transfer _, transfer 4, transfer a
guias use » gas use, gis use, guias de
use water » unsafe water
gas well » gas wells
well sea » well a, well she

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: (( gas well sea ((transport lng) OR (transport law)) a ) OR ( guias use water transfer 3 a ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( gas well sea ((transport lng) OR (transport law)) a ) or ( guias use water transfer 3 a ))~".
• Adding a wildcard symbol may retrieve word variants: (( gas well sea ((transport lng) OR (transport law)) a ) or ( guias use water transfer 3 a ))*.