Perhaps you should try some spelling variations:
information networks » information needs
technologies based » technologies used, technology based, technologies a
based information » basic information, based innovation, land information
die developpement » de developpement, le developpement, du developpement
de communication » mobile communication, online communication
developpement de » developpement des, developpement durable
communication 2 » communication _, communication a, communication 3
networks 2.1 » networks 2.2, networks 1, networks 3.3
de afrique » de l'afrique, en afrique, l afrique
2.1 de » 2.1 die, 2.1 der, 2.1 do

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

• Adding a wildcard symbol may retrieve word variants: technologies based information networks 2.1 de communication 2 die developpement de afrique.*.