Perhaps you should try some spelling variations:
information centers » information contents, information officers
face communication » voice communication, de communication, time communication
technologies dans » technologies can, technologies any, technologies daf
dans information » dns information, dis information, does information
communication 20 » communication 2.0, communication 2, communication 10
10 developing » 1 developing, 3 developing, 4 developing
developing a » developing _
centers 2.1 » center 2.1, centers 2.2, centers 2.8
a afrique » l afrique, en afrique
2.1 face » 2.2 face, 2.3 face, 4.1 face
20 10 » 10 10, 20 20, 20 11

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

• Adding a wildcard symbol may retrieve word variants: technologies dans information centers 2.1 face communication 20 10 developing a afrique.*.