Perhaps you should try some spelling variations:
mobile communications » mobile communication
communications costs » communication costs, communications _
information context » information content, information contents, information centers
technologies 1 » technologies _, technologies 4, technologies 2
7.3 developing » 3.3 developing, 1.3 developing, 2.2 developing
developing em » developing e, developing eq, developing amp
costs 7.3 » costs 2.3, costs 4.3, costs 5.3
em africa » 1 africa
3 mobile » _ mobile, a mobile, 2 mobile

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

• Adding a wildcard symbol may retrieve word variants: technologies 1 information context 3 mobile communications costs 7.3 developing em africa.*.