Perhaps you should try some spelling variations:
de communication » mobile communication, online communication
12.3 developing » 1.3 developing, 12.4 developing, 2.3 developing
technologies 2 » technologies _, technologies 4
developing a » developing _
contents 3 » contents 1, contents _, contents i
costs 12.3 » costs 2.3, costs 12.4, costs 14.3
a africa » 1 africa, can africa, em africa
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 information contents 3 de communication costs 12.3 developing a africa.*.