Perhaps you should try some spelling variations:
actions communication » actors communication, active communication, activists communication
information centers » information contents, information officers
communication 2.1 » communication 22.1, communications 2.1, communication 2.4
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 2.2 » centers 2.8, centers 12.4, century 2.2
2.2 actions » 3.2 actions, 2.2 action, 2.2 aktions
a afrique » l afrique, en afrique
2.1 20 » 4.1 20, 5.1 20

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 2.2 actions communication 2.1 20 developing a afrique.*.