Perhaps you should try some spelling variations:
information context » information content, information contents, information centers
technologies 2 » technologies _, technologies 4
developing eu » developing e, developing eq, developing egg
4 developing » 3 developing
context 1.3 » context 3, context 2.1, context 3.1
1.3 mobile » 12.3 mobile, 1.1 mobile, 1.7 mobile
eu africa » em africa, 1 africa, 11 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 context 1.3 mobile communication costs 4 developing eu africa.*.