Perhaps you should try some spelling variations:
information needs » information networks
der communication » de communication, under communication, debt communication
de developpement » sme development
developpement et » developpement des, developpement de, development east
technologies 2 » technologies _, technologies 4
et afrique » en afrique, l afrique
needs 5.2 » needs 5.3, needs 8.2, needs 2
5.2 der » 2.2 der, 3.2 der, 4.2 der
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 2 information needs 5.2 der communication a de developpement et afrique.*.