Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
des communications » les communications, do communications, nps communications
2.2 development » 3.2 development, 2.3 development, 4.2 development
technologies 1 » technologies _, technologies 4, technologies 2
costs 2.2 » costs 4.2, costs 2.3, cost 2.2
part des » art des, partir des, partie des
contents » context

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

• Adding a wildcard symbol may retrieve word variants: technologies 1 information contents part des communications costs 2.2 development 1 africa.*.