Perhaps you should try some spelling variations:
class communication » mass communication, plans communication, crisis communication
information needs » information networks
technologies 4 » technologies _
development de » development d, development ds, developpement de
4 information » 2 information, 1 information
3 development » 2 development
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 4 information needs 2.2 class communication a 3 development de afrique.*.