Perhaps you should try some spelling variations:
particle communications » partie communications, wartime communications, part itelecommunications
information needs » information networks
communications 2 » communications _, communications a, communications 5
et developpement » de developpement, le developpement, test development
developpement en » developpement et, developpement des, developpement de
technologies a » technologies _, technologies 4, technologies 2
a information » 2 information, 1 information
5.2 particle » 3.2 particle, 4.2 particle, 9.2 particle
needs 5.2 » needs 5.3, needs 8.2, needs 2
2 et » 2 set, 12 et, 2 ets

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

• Adding a wildcard symbol may retrieve word variants: technologies a information needs 5.2 particle communications 2 et developpement en afrique.*.