Perhaps you should try some spelling variations:
crises transfer » risk transfer, services transfer, consent transfer
land transport » road transport
transport data » transport demand
des crises » les crises, debt crises, des kreises
data mean » data map
luis des » luis de, luis e, fais des
luis 1 » luis f, luis c, luis a

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: (( luis des crises transfer _ can ) OR ( luis 1 land transport data mean ))~.
• Adding a wildcard symbol may retrieve word variants: (( luis des crises transfer _ can ) or ( luis 1 land transport data mean ))*.