Perhaps you should try some spelling variations:
information content » information contents, information centers, information centre
de communication » mobile communication, online communication
1.6.4 developing » 11.7.4 developing, 1.4 developing, 12.4 developing
technologies 2 » technologies _, technologies 4
developing ce » developing e, developing ict, developing cil
costs 1.6.4 » costs 6.4, cost 1.6.1, costs 1.1.3
content a » content _, content 1, content 3
ce africa » de africa, care africa, use africa
a de » a die, a der, a des

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 a de communication costs 1.6.4 developing ce africa.*.