Perhaps you should try some spelling variations:
information century » information centers, information centre, information center
de communication » mobile communication, online communication
technologies 2 » technologies _, technologies 4
3.3 developing » 4 developing, 2 developing, 1 developing
developing eu » developing e, developing eq, developing egg
century how » century book
costs 3.3 » costs 2.3, costs 3.5, costs 4.3
eu africa » em africa, 1 africa, 11 africa
how de » how doe, how do, how ae

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

• Adding a wildcard symbol may retrieve word variants: technologies 2 information century how de communication costs 3.3 developing eu africa.*.