Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
formation contents » information contents, formation contenu, information content
4 communications » 14 communications, 4 communication, 2 communications
technologies a » technologies _, technologies 4, technologies 2
developing egg » developing e, developing eq, developing east
contents lead » contents head, contents less, contents local
3 developing » 3 development
a formation » la formation, 1 formation, a formulation
egg africa » em africa, eu africa, mdg africa
costs 3 » costs _, costs 4, costs a
lead 4 » lead _, lead a, dead 4

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

• Adding a wildcard symbol may retrieve word variants: technologies a formation contents lead 4 communications costs 3 developing egg africa.*.