Perhaps you should try some spelling variations:
actions communication » actors communication, active communication, activists communication
information costs » information contents, information centers, information content
au developpement » du developpement, de developpement, le developpement
developpement en » developpement et, developpement des, developpement de
3 actions » l3 actions, 2 actions, 3 action
costs au » costs a, costs amy, costs _
costs 3 » costs _, costs 4, costs a

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

• Adding a wildcard symbol may retrieve word variants: technologies _ information costs 3 actions communication costs au developpement en afrique.*.