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
1.3 developing » 3.3 developing, 13 developing, 7.3 developing
context go » context good, context 3, context 1
costs 1.3 » costs 12.3, costs 14.3, costs 15.3
go de » go die, go do, go dr

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 go de communication costs 1.3 developing _ africa.*.