Perhaps you should try some spelling variations:
de communication » mobile communication, online communication
technologies 2 » technologies _, technologies 4
developing em » developing e, developing eq, developing amp
contents icc » contents i, contents 1pc, contents arc
3 developing » 3 development
em africa » 1 africa
costs 3 » costs _, costs 4, costs a

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

• Adding a wildcard symbol may retrieve word variants: technologies 2 information contents icc de communication costs 3 developing em africa.*.