Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
information context » information content, information contents, information centers
4 communications » 14 communications, 4 communication, 2 communications
technologies 2 » technologies _, technologies 4
2.3 developing » 3.3 developing, 2.2 developing, 1.3 developing
developing em » developing e, developing eq, developing amp
context past » context part, context phase, context pt
costs 2.3 » costs 4.2, costs 4.4
em africa » 1 africa
past 4 » past _, past 2, past 3

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

• Adding a wildcard symbol may retrieve word variants: technologies 2 information context past 4 communications costs 2.3 developing em africa.*.