Perhaps you should try some spelling variations:
information networks » information needs
leur developpement » le developpement, deux developpements, de developpement
technologies can » technologies a, technologies co, technologies _
de communication » mobile communication, online communication
can information » von information, von informationen
communication 3 » communication _, communication a
networks 3.3 » networks 2.2, networks _, networks 1
des afrique » en afrique, de l'afrique
3.3 de » 3.3 die, 3.3 der, 3.3 dem
3 leur » a leur, 3 lehr

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

• Adding a wildcard symbol may retrieve word variants: technologies can information networks 3.3 de communication 3 leur developpement des afrique.*.