Perhaps you should try some spelling variations:
case communication » based communication, scale communication, face communication
et developpement » de developpement, le developpement, test development
developpement de » developpement des, developpement durable
3 information » 1 information
information 4 » information 2
technology 3 » technology _, technology 1, technology 4
de afrique » de l'afrique, en afrique, l afrique
costs et » costs _, costs 4, costs a
4 areas » 1 areas, 2 areas, 4 areal

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

• Adding a wildcard symbol may retrieve word variants: technology 3 information 4 areas case communication costs et developpement de afrique.*.