Perhaps you should try some spelling variations:
technologies 4.5 » technologies 4.1, technologies 2.1, technologies 5
de communication » mobile communication, online communication
4.5 information » 3.5 information, 6.5 information, 5.5 information
3 developing » 3 development
developing a » developing _
contents a » contents 1, contents _, contents i
a africa » 1 africa, can africa, em africa
costs 3 » costs _, costs 4, costs a
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 4.5 information contents a de communication costs 3 developing a africa.*.