Perhaps you should try some spelling variations:
information costs » information contents, information centers, information content
du developpement » de developpement, le developpement, et developpement
developpement de » developpement des, developpement durable
technologies iv » technologies bit, technologies _, technologies 4
iv information » 2 information, 1 information
2.2 mobile » 2.1 mobile, 2.1.2 mobile, 3.2.2 mobile
de afrique » de l'afrique, en afrique, l afrique
costs 2.2 » costs 4.2, costs 2.3, cost 2.2

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

• Adding a wildcard symbol may retrieve word variants: technologies iv information costs 2.2 mobile communication _ du developpement de afrique.*.