Perhaps you should try some spelling variations:
4.2 transformations » 4.1 transformations, 5.2 transformations, 6.2 transformations
transformations 1 » transformations _, transformations 3, transformations 4
technologies 4.2 » technologies 3.2, technologies 4.1, technologies 4.5
de communication » mobile communication, online communication
2.2 development » 3.2 development, 2.3 development, 4.2 development
development 2 » development 1, development 2.1, development 2.3
costs 2.2 » costs 4.2, costs 2.3, cost 2.2
2 areas » 1 areas, 2 areal, 4 areas
na de » ba de, pa de
1 na » 1 dna, 19 na, 1 a

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 1 na de communication costs 2.2 development 2 areas.*.