Perhaps you should try some spelling variations:
railways transport » railway transport, rail transport
biomass transport » airways transport, biogenesis transport
mass transports » des transports, mass transfers, aux transports
les transports » des transports
mass transport » mass transfer

Try widening your search to All Fields.

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: %((biomass transport) OR (((((((mass transports) OR (les transports))) OR (mass transport))) OR (railways transport))))%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%((biomass transport) or (((((((mass transports) OR (les transports))) or (mass transport))) or (railways transport))))%22".
• Adding a wildcard symbol may retrieve word variants: %((biomass transport) or (((((((mass transports) OR (les transports))) or (mass transport))) or (railways transport))))%22*.