Perhaps you should try some spelling variations:
downward communication » towards communication, aware communication, hazard communication
information costs » information contents, information centers, information content
communication 3.3 » communication _, communication a, communication 1
technologies co » technologies _, technologies 4, technologies 2
co information » do information, 2 information, 1 information
developing l » developing l2, developing _, developing a
costs code » costs case, costs cost, lists code
l afrique » en afrique

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

• Adding a wildcard symbol may retrieve word variants: technologies co information costs code downward communication 3.3 _ developing l afrique.*.