Perhaps you should try some spelling variations:
des developpements » deux developpements, de developpement, et developpements
information needs » information networks
der communication » de communication, under communication, debt communication
developpements l » developpements de, developpement il, developpement la
needs 2.5 » needs 4.5, needs 2.3, needs 2.8
l afrique » en afrique
a des » a der, a das

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

• Adding a wildcard symbol may retrieve word variants: technologies _ information needs 2.5 der communication a des developpements l afrique.*.