Perhaps you should try some spelling variations:
information needs » information networks
die communication » de communication, time communication, une communication
die developpement » de developpement, le developpement, du developpement
developpement de » developpement des, developpement durable
communication 5 » communication _, communication a, communication 3
technologies 2 » technologies _, technologies 4
needs 2.8 » needs 2.3, needs 2.5, needs 4.3
5 die » 2 die, 3 die, _ die

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 2.8 die communication 5 die developpement de l'afrique.*.