Perhaps you should try some spelling variations:
information context » information content, information contents, information centers
de communication » mobile communication, online communication
11.4 developing » 1.4 developing, 12.4 developing, 10.4 developing
technologies 2 » technologies _, technologies 4
context who » context why, context what, context we
costs 11.4 » costs 11.1, costs 11.7, costs 12.4
who de » who do, who made, who does

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 who de communication costs 11.4 developing _ africa.*.