Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
et communication » et communicatione, get communication, debt communication
2.2 developing » 3.2 developing, 3.3 developing, 2.2 development
technologie 3 » technologies 3, technologie 3d, technologie c
3 information » 1 information
contents 1.3 » contents 1.1, contents 2.3, contexts 1.3
cost 2.2 » costs 2.2, cost 2.4, cost 3.2
1.3 et » 1.3 el, 1.3 ea, 1.3 ed

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

• Adding a wildcard symbol may retrieve word variants: technologie 3 information contents 1.3 et communication cost 2.2 developing _ africa.*.