Perhaps you should try some spelling variations:
technological changes » technological change, technological advances
communication network » communication networks, communications network, communications networks
changes information » change information, channels information, chandos information
information age » information storage, information access, information about
a afrique » l afrique, en afrique
de mass » de masse, de mais, de masa
age de » page de, stage de, image 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 age de mass communication network _ development a afrique.*.