Perhaps you should try some spelling variations:
des developpements » deux developpements, de developpement, et developpements
time communication » de communication, mobile communication, online communication
information needs » information networks
developpements en » developpement en, developpement et, developpements de
used information » user information, use information, based information
technology used » technology use, technology based, technology users
communication 5 » communication _, communication a, communication 3
needs 5.5 » needs 4.5, needs 2.5, needs 5.2
5.5 time » 6.5 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: technology used information needs 5.5 time communication 5 des developpements en afrique.*.