Perhaps you should try some spelling variations:
reactive communication » proactive communication, active communication, seductive communication
information centre » information centers, information contents
communication 2.1 » communication 22.1, communications 2.1, communication 2.4
technologies key » technologies any, technologies know, technologies _
key information » energy information
2.3 reactive » 10.3 reactive, 2.5.1 reactive, 6.3.2 reactive
2 developing » 3 developing, 4 developing, 2 development
developing l » developing l2, developing _, developing a
centre 2.3 » centre 2.4.3, century 2.3, centre 2013
l afrique » en afrique
2.1 2 » 2.1 _, 2.1 a, 2.1 l

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 reactive communication 2.1 2 developing l afrique.*.