Perhaps you should try some spelling variations:
des developpements » deux developpements, de developpement, et developpements
time communication » de communication, mobile communication, online communication
developpements des » developpement des, developpements de, developpement de
information needs » information networks
used information » user information, use information, based information
technology used » technology use, technology based, technology users
communication 5 » communication _, communication a, communication 3
des afrique » en afrique, de l'afrique
needs 6.5 » needs 4.5, needs 2.5, needs 8.5
6.5 time » 5.5 time, 6.5 die
5 des » 5 does, 5 der, 5 das

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

• Adding a wildcard symbol may retrieve word variants: technology used information needs 6.5 time communication 5 des developpements des afrique.*.