Perhaps you should try some spelling variations:
information centers » information contents, information officers
time communication » de communication, mobile communication, online communication
communication 20 » communication 2.0, communication 2, communication 10
technologies a » technologies _, technologies 4, technologies 2
a information » 2 information, 1 information
2 developing » 3 developing, 4 developing, 2 development
developing a » developing _
a afrique » l afrique, en afrique
20 2 » 20 21, 20 22, 20 23

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

• Adding a wildcard symbol may retrieve word variants: technologies a information centers _ time communication 20 2 developing a afrique.*.