Perhaps you should try some spelling variations:
information context » information content, information contents, information centers
technologies 2.1 » technologies _, technologies 4, technologies a
de communication » mobile communication, online communication
2.1 information » 3.1 information
1 developing » 3 developing, 4 developing, 2 developing
developing a » developing _
a africa » 1 africa, can africa, em africa
costs 1 » costs _, costs 4, costs a
3 de » 3 die, 3 der, 3 des

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

• Adding a wildcard symbol may retrieve word variants: technologies 2.1 information context 3 de communication costs 1 developing a africa.*.