Perhaps you should try some spelling variations:
actors communication » actions communication, active communication, networks communication
information needs » information networks
de developpement » sme development
des afrique » en afrique, de l'afrique
1 actors » 11 actors, _ actors, 3 actors
needs 1 » needs 11, needs _, needs a
a de » a die, a der, a des

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

• Adding a wildcard symbol may retrieve word variants: technologies _ information needs 1 actors communication a de developpement des afrique.*.