Perhaps you should try some spelling variations:
communications networks » communication networks, telecommunications networks, telecommunications network
mass communications » mass communication, data communications, crisis communications
technologies new » technologies _, technologies 4, technologies 2
new information » 2 information
a afrique » l afrique, en afrique
about de » about due, about dead, about debt
de mass » de masse, de mais, de masa

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

• Adding a wildcard symbol may retrieve word variants: technologies new information about de mass communications networks _ development a afrique.*.