Perhaps you should try some spelling variations:
information content » information contents, information centers, information centre
de communication » mobile communication, online communication
12.1 developing » 12.4 developing, 12.2 developing, 12.7 developing
technologies 2 » technologies _, technologies 4
developing 1 » developing _, developing a, developing e
costs 12.1 » coasts 12.1, costs 11.1, costs 12.3
content 5 » content _, content 1, content 3
5 de » 5 die, 5 der, _ de

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

• Adding a wildcard symbol may retrieve word variants: technologies 2 information content 5 de communication costs 12.1 developing 1 africa.*.