Perhaps you should try some spelling variations:
information needs » information networks
den communication » open communication, lean communication, when communication
des developpement » des developpements, de developpement, le developpement
developpement il » developpement de, developpement et, developpement du
il afrique » l afrique, en afrique
needs 2.5 » needs 4.5, needs 2.3, needs 2.8
2.5 den » 2.5 der, 2.5 debt, 2.5 deep
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 den communication a des developpement il afrique.*.