Perhaps you should try some spelling variations:
information costs » information contents, information centers, information content
communication 3.2 » communication 3.3, communication 3.4, communication 2
de communication » mobile communication, online communication
et developpement » de developpement, le developpement, test development
developpement en » developpement et, developpement des, developpement de
technologies 2 » technologies _, technologies 4
costs over » costs other, contests over
3.2 et » 3.2 el, 3.2 eq, 2.2 et

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

• Adding a wildcard symbol may retrieve word variants: technologies 2 information costs over de communication 3.2 et developpement en afrique.*.