Perhaps you should try some spelling variations:
des developpements » deux developpements, de developpement, et developpements
time communication » de communication, mobile communication, online communication
technologies used » technologies based, technology used, technologies _
information needs » information networks
developpements de » developpement de, developpement des, developpement du
used information » user information, use information, based information
communication 5 » communication _, communication a, communication 3
de afrique » de l'afrique, en afrique, l afrique
needs 4.5 » needs 4.3
4.5 time » 5.5 time, 6.5 time, 3.5 time
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: technologies used information needs 4.5 time communication 5 des developpements de afrique.*.