Perhaps you should try some spelling variations:
actions communication » actors communication, active communication, activists communication
information costs » information contents, information centers, information content
a developpement » au developpement, de developpement, le developpement
technologies a » technologies _, technologies 4, technologies 2
a information » 2 information, 1 information
des actions » des nations
des afrique » en afrique, de l'afrique
costs des » costs fees
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: technologies a information costs des actions communication costs a developpement des afrique.*.