Perhaps you should try some spelling variations:
technological changes » technological change, technological advances
changes information » change information, channels information, chandos information
leur developpement » le developpement, deux developpements, de developpement
developpement en » developpement et, developpement des, developpement de
3 communication » 4 communication, de communication, data communication
information 2 » information 3
2 hco » 2 co, 2 eco

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

• Adding a wildcard symbol may retrieve word variants: technological changes information 2 hco 3 communication a leur developpement en afrique.*.