Perhaps you should try some spelling variations:
information centers » information contents, information officers
une communication » d'une communication, ante communication, de communication
users development » users developments, use development, assess development
technologies 4 » technologies _
4 information » 2 information, 1 information
centers 3.3 » centers 3.8, centers 4.3, century 3.3
1 afrique » l afrique, en afrique, 1 enrique
3.3 une » 1.3 une, 3.3 use, 4.3 une
a users » a user's, _ users, a user

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

• Adding a wildcard symbol may retrieve word variants: technologies 4 information centers 3.3 une communication a users development 1 afrique.*.