Perhaps you should try some spelling variations:
communications networks » communication networks, telecommunications networks, telecommunications network
mass communications » mass communication, data communications, crisis communications
information need » information needs, information needed, information speed
gap information » sap information, amp information, erp information
technology gap » technology 1, technology 2.2, technology 3
networks a » networks 1
need de » need le, need fide, need one
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: technology gap information need de mass communications networks a development _ africa.*.