Perhaps you should try some spelling variations:
information exchanges » information exchange, information chapter
active communication » reactive communication, proactive communication, actions communication
communication 3.3 » communication _, communication a, communication 1
technologies von » technologies co, technologies box, technologies can
von information » von informationen, can information
exchanges ten » exchanges new, exchanges _, exchanges 3.2
a developing » a development
developing l » developing l2, developing _, developing a
ten active » been active, de active, can active
l afrique » en afrique
3.3 a » 3.3 _, 2.3 a, 4.3 a

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

• Adding a wildcard symbol may retrieve word variants: technologies von information exchanges ten active communication 3.3 a developing l afrique.*.