Perhaps you should try some spelling variations:
active communication » reactive communication, proactive communication, actions communication
communication 2.4 » communication 3.3, communication 4, communication _
technologies key » technologies any, technologies know, technologies _
key information » energy information
24 developing » 4 developing, 2 developing, 14 developing
contents 2.3 » content 2.3, contents 2.1, contents 2.5
2.3 active » 3.3 active, 7.3 active, 8.3 active
2.4 24 » 2.4 2.4, 2.4 25

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

• Adding a wildcard symbol may retrieve word variants: technologies key information contents 2.3 active communication 2.4 24 developing _ afrique.*.