Perhaps you should try some spelling variations:
time communication » de communication, mobile communication, online communication
information needs » information networks
das developpement » des developpements, de developpement, du developpement
used information » user information, use information, based information
developpement en » developpement et, developpement des, developpement de
technology used » technology use, technology based, technology users
communication 2 » communication _, communication a, communication 3
needs 6.5 » needs 4.5, needs 2.5, needs 8.5
6.5 time » 5.5 time, 6.5 die
2 das » 1 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 2 das developpement en afrique.*.