Perhaps you should try some spelling variations:
technological changes » technological change, technological advances
changes information » change information, channels information, chandos information
net developpement » et developpement, de developpement, le developpement
information need » information needs, information needed, information speed
des america » does america, de america, desde america
need a » need _
mass » maps

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

• Adding a wildcard symbol may retrieve word variants: technological changes information need a mass communication _ net developpement des america.*.