Perhaps you should try some spelling variations:
towards communication » towards commodification, downward communication, aware communication
information costs » information contents, information centers, information content
developpement de » developpement des, developpement durable
3 developpement » de developpement, le developpement, et developpement
de afrique » de l'afrique, en afrique, l afrique
4 towards » 2 towards, 3 towards
costs 4 » costs _, costs a, costs 4.2

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

• Adding a wildcard symbol may retrieve word variants: technologies _ information costs 4 towards communication a 3 developpement de afrique.*.