Perhaps you should try some spelling variations:
leur developpement » le developpement, deux developpements, de developpement
information needs » information networks
de communication » mobile communication, online communication
developpement du » developpement de, developpement des, developpement et
du afrique » en afrique, l afrique, de l'afrique
needs 3.3 » needs 4.3, needs 2.3, needs 5.3
3.3 de » 3.3 die, 3.3 der, 3.3 dem

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

• Adding a wildcard symbol may retrieve word variants: technologies _ information needs 3.3 de communication a leur developpement du afrique.*.