Perhaps you should try some spelling variations:
information centers » information contents, information officers
data communication » data communications
communication 3.3 » communication _, communication a, communication 1
technologies 2 » technologies _, technologies 4
3 developing » 3 development
developing l » developing l2, developing _, developing a
centers 3.7 » centers 3.3, centers 3.8, center 3.1
l afrique » en afrique
3.7 data » 2.7 data
3.3 3 » 3.3 3d, 3.3 _, 3.3 a

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

• Adding a wildcard symbol may retrieve word variants: technologies 2 information centers 3.7 data communication 3.3 3 developing l afrique.*.