Perhaps you should try some spelling variations:
transport safety » transport strategy
gases transfer » mass transfer, based transfer, gas transfer
sea transport » road transport, bus transport
transfer 3 » transfer _, transfer 4, transfer a
aguas de » aguas del, aguas do, vagues de
safety a » safety _, safety 1, safety 5
guias f » guias de
f gases » _ gases
de sea » de ses, de ser
3 co » _ co, a co, 2 co

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( aguas de sea transport safety a ) or ( guias f gases transfer 3 co ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( aguas de sea transport safety a ) OR ( guias f gases transfer 3 co ))*.