Perhaps you should try some spelling variations:
technological changes » technological change, technological advances
chairs communication » change communication, class communication, mass communication
changes information » change information, channels information, chandos information
der developpement » de developpement, des developpements, leur developpement
communication 2 » communication _, communication a, communication 3
developpement l » developpement il, developpement la, developpement de
information 2 » information 3
de chairs » de chars, de chaines, _ chairs
l afrique » en afrique
2 der » _ der
2 de » 2 die, _ de

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 de chairs communication 2 der developpement l afrique.*.