Perhaps you should try some spelling variations:
active communication » reactive communication, proactive communication, actions communication
information centers » information contents, information officers
communication 2.4 » communication 3.3, communication 4, communication _
technologies key » technologies any, technologies know, technologies _
key information » energy information
2.4 developing » 12.4 developing, 2.2 developing, 5.4 developing
developing e » developing _, developing a, developing east
centers 2.3 » center 2.3, centers 2.2, centers 2.8
2.3 active » 3.3 active, 7.3 active, 8.3 active
e afrique » en afrique, l afrique, de l'afrique
2.4 2.4 » 2.4c 2.4, 2.4 2.5, 2014 2.4

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

• Adding a wildcard symbol may retrieve word variants: technologies key information centers 2.3 active communication 2.4 2.4 developing e afrique.*.