Perhaps you should try some spelling variations:
particle communication » parte communication, partie communications, active communication
information needs » information networks
de developpement » sme development
communication 3 » communication _, communication a
developpement l » developpement il, developpement la, developpement de
4.2 particle » 3.2 particle, 4 particle, 4.2 partial
needs 4.2 » needs 4.3, needs 4.5, needs 4.1
l afrique » en afrique
3 de » 3 die, 3 der, 3 des

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

• Adding a wildcard symbol may retrieve word variants: technologies _ information needs 4.2 particle communication 3 de developpement l afrique.*.