Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
technological open » technological model, technological power, technological options
do communications » 10 communications, 14 communications, 2 communications
innovation cases » innovation case, innovation based, innovations case
developpement du » developpement de, developpement des, developpement et
a developpement » au developpement, de developpement, le developpement
du afrique » en afrique, l afrique, de l'afrique
costs a » costs _, costs 4

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

• Adding a wildcard symbol may retrieve word variants: technological open innovation cases data do communications costs a developpement du afrique.*.