Perhaps you should try some spelling variations:
information centers » information contents, information officers
bases communication » based communication, causes communication, mass communication
communication 2.3.3 » communication 3.3, communication 2.4, communication 3.2
technologies a » technologies _, technologies 4, technologies 2
a information » 2 information, 1 information
ii developing » 3 developing, 4 developing, 2 developing
developing a » developing _
centers 2.1 » center 2.1, centers 2.2, centers 2.8
2.1 bases » 2.1 base, 2.1 basis, 2.1 basics
a afrique » l afrique, en afrique
2.3.3 ii » 2.3.3 ai, 2.3.3 die, 2.3.3 ein

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 2.1 bases communication 2.3.3 ii developing a afrique.*.