Perhaps you should try some spelling variations:
mobile communications » mobile communication
communications costs » communication costs, communications _
information centre » information centers, information contents
technologies 2 » technologies _, technologies 4
2.2 developing » 3.2 developing, 3.3 developing, 2.2 development
developing eu » developing e, developing eq, developing egg
centre 3.1 » centre 3.2, century 3.1, centre 5.10
3.1 mobile » 2.1 mobile, 1.1 mobile, 7.1 mobile
costs 2.2 » costs 4.2, costs 2.3, cost 2.2
eu africa » em africa, 1 africa, 11 africa

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

• Adding a wildcard symbol may retrieve word variants: technologies 2 information centre 3.1 mobile communications costs 2.2 developing eu africa.*.