Perhaps you should try some spelling variations:
information networks » information needs
der developpement » de developpement, des developpements, leur developpement
de communication » mobile communication, online communication
developpement de » developpement des, developpement durable
communication 2 » communication _, communication a, communication 3
technologies 2 » technologies _, technologies 4
networks 2.8 » networks 2.2, networks 2.1, networks 2.3
2.8 de » 2.8 die, 2.8 der, 2.8 deep
2 der » _ der

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

• Adding a wildcard symbol may retrieve word variants: technologies 2 information networks 2.8 de communication 2 der developpement de l'afrique.*.