Perhaps you should try some spelling variations:
downward communication » towards communication, aware communication, hazard communication
information costs » information contents, information centers, information content
communication 3.2 » communication 3.3, communication 3.4, communication 2
de developpement » sme development
developpement et » developpement des, developpement de, development east
technologies a » technologies _, technologies 4, technologies 2
a information » 2 information, 1 information
et afrique » en afrique, l afrique
3.2 de » 3.2 die, 3.2 der, 3.2 dem

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 _ downward communication 3.2 de developpement et afrique.*.