Perhaps you should try some spelling variations:
informations centers » information centers, information center, information centre
aware communication » face communication, agile communication, ante communication
technologies des » technologien des, technologies de, technologies dans
des informations » aids information
communication 17 » communication 1, communication 10, communication 7
20 developing » 2 developing, 10 developing, 24 developing
developing l » developing l2, developing _, developing a
centers 8.8 » center 8.8, centers 2.8, centers 3.8
l afrique » en afrique
17 20 » 19 20, 17 21, 18 20

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

• Adding a wildcard symbol may retrieve word variants: technologies des informations centers 8.8 aware communication 17 20 developing l afrique.*.