Perhaps you should try some spelling variations:
information content » information contents, information centers, information centre
technologies 2 » technologies _, technologies 4
developing em » developing e, developing eq, developing amp
4 developing » 3 developing
content 3.3 » context 3.3, content 3.2, content 2.3
3.3 mobile » 4.3 mobile, 9.3 mobile, 3.2.3 mobile
em africa » 1 africa
costs 4 » costs _, costs a, costs 4.2

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

• Adding a wildcard symbol may retrieve word variants: technologies 2 information content 3.3 mobile communication costs 4 developing em africa.*.