Perhaps you should try some spelling variations:
information centers » information contents, information officers
based communication » brand communication, based compensation, mediated communication
communication 3.3 » communication _, communication a, communication 1
technologies 2 » technologies _, technologies 4
a developing » a development
developing l » developing l2, developing _, developing a
centers 2.5 » center 2.5, centers 2.2, centers 2.8
2.5 based » 1.5 base, 4.0 based, pc5 based
l afrique » en afrique
3.3 a » 3.3 _, 2.3 a, 4.3 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 2.5 based communication 3.3 a developing l afrique.*.