Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
et communication » et communicatione, get communication, debt communication
technologies 2 » technologies _, technologies 4
1.3 developing » 3.3 developing, 13 developing, 7.3 developing
developing can » developing a, developing ai, developing av
contents 3.1 » contents 1, contents _, contents map
can africa » urban africa
cost 1.3 » cost 11.3, cost 1.2, cost 2.3
3.1 et » 3.1 el, 3.1 eu, 3.1 en

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

• Adding a wildcard symbol may retrieve word variants: technologies 2 information contents 3.1 et communication cost 1.3 developing can africa.*.