Perhaps you should try some spelling variations:
particle communications » partie communications, wartime communications, part itelecommunications
information needs » information networks
der developpement » de developpement, des developpements, leur developpement
communications 2 » communications _, communications a, communications 5
developpement en » developpement et, developpement des, developpement de
technologies a » technologies _, technologies 4, technologies 2
a information » 2 information, 1 information
4 particle » _ particle, a particle, 2 particle
needs 4 » needs _, needs a, needs 3
2 der » _ der

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 4 particle communications 2 der developpement en afrique.*.