Perhaps you should try some spelling variations:
active communication » reactive communication, proactive communication, actions communication
communication 2.0 » communication 2.4, communication 2.1, communication 2.2
technologies a » technologies _, technologies 4, technologies 2
a information » 2 information, 1 information
20 developing » 2 developing, 10 developing, 24 developing
developing l2 » developing _, developing a, developing e
contents 2.1 » contents 12.1, contexts 2.1, contents 3.1
2.1 active » 1.1 active, 3.1 active, 6.1 active
l2 afrique » l afrique, en afrique

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

• Adding a wildcard symbol may retrieve word variants: technologies a information contents 2.1 active communication 2.0 20 developing l2 afrique.*.