Perhaps you should try some spelling variations:
based information » basic information, based innovation, land information
information needs » information networks
des developpement » des developpements, de developpement, le developpement
de communication » mobile communication, online communication
developpement de » developpement des, developpement durable
communication 5 » communication _, communication a, communication 3
de afrique » de l'afrique, en afrique, l afrique
needs 5.2 » needs 5.3, needs 8.2, needs 2
5.2 de » 5.2 die, 5.2 der, 5.2 den
5 des » 5 does, 5 der, 5 das

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

• Adding a wildcard symbol may retrieve word variants: technology based information needs 5.2 de communication 5 des developpement de afrique.*.