Perhaps you should try some spelling variations:
actions communication » actors communication, active communication, activists communication
information centers » information contents, information officers
communication 22.1 » communication 2.1, communications 2.2.1, communication 8.2.1
technologies a » technologies _, technologies 4, technologies 2
a information » 2 information, 1 information
20 developing » 2 developing, 10 developing, 24 developing
developing a » developing _
centers 2.1 » center 2.1, centers 2.2, centers 2.8
2.1 actions » 3.1 actions, 1.1 action, 2.1 notions
a afrique » l afrique, en afrique

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 actions communication 22.1 20 developing a afrique.*.