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 la » developpement de, developpement et, developpement du
la afrique » l afrique, la fabrique, en afrique
needs 2.3 » needs 4.3, needs 2.5, needs 2.8
2.3 den » 2.3 der, 2.3 de, 1.3 den
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 2.3 den communication a des developpement la afrique.*.