Perhaps you should try some spelling variations:
4.2 transformations » 4.1 transformations, 5.2 transformations, 6.2 transformations
transformations 2 » transformations _, transformations 1, transformations 3
technologies 4.2 » technologies 3.2, technologies 4.1, technologies 4.5
de communication » mobile communication, online communication
2.3 development » 2 development, 2015 development, 1 development
development 4 » development 1
costs 2.3 » costs 4.2, costs 4.4
4 areas » 1 areas, 2 areas, 4 areal
na de » ba de, pa de
2 na » 2 dna, 2 a, 2 la

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

• Adding a wildcard symbol may retrieve word variants: technologies 4.2 transformations 2 na de communication costs 2.3 development 4 areas.*.