Perhaps you should try some spelling variations:
communication network » communication networks, communications network, communications networks
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
de mobile » die mobile, e mobile, does mobile
network a » network _, network 3, network 1
need de » need le, need fide, need one

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 mobile communication network a development _ africa.*.