Perhaps you should try some spelling variations:
particle communications » partie communications, wartime communications, part itelecommunications
des developpements » deux developpements, de developpement, et developpements
information needs » information networks
communications a » communications _, communications law, communications media
developpements l » developpements de, developpement il, developpement la
technologies 1 » technologies _, technologies 4, technologies 2
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
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 1 information needs 4.2 particle communications a des developpements l afrique.*.