Perhaps you should try some spelling variations:
active communications » active communication, machine communications, reactive communication
information centre » information centers, information contents
communications 2.1 » communication 2.1, communications 2.2, communications 5.1
technologies key » technologies any, technologies know, technologies _
key information » energy information
14 developing » 4 developing, 1 developing, 10 developing
developing l » developing l2, developing _, developing a
centre 2.3 » centre 2.4.3, century 2.3, centre 2013
2.3 active » 3.3 active, 7.3 active, 8.3 active
l afrique » en afrique
2.1 14 » 2.1 11, 2.1 1g

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

• Adding a wildcard symbol may retrieve word variants: technologies key information centre 2.3 active communications 2.1 14 developing l afrique.*.