Perhaps you should try some spelling variations:
class communication » mass communication, plans communication, crisis communication
information needs » information networks
technologies 2 » technologies _, technologies 4
development de » development d, development ds, developpement de
de afrique » de l'afrique, en afrique, l afrique
needs 2.2 » needs 2.3, needs 2.5, needs 2.8
2.2 class » 2.2 classic, 6.2.2 class, 12.3 class

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

• Adding a wildcard symbol may retrieve word variants: technologies 2 information needs 2.2 class communication a 2 development de afrique.*.