Perhaps you should try some spelling variations:
radio communications » radio communication, data communications
communications costs » communication costs, communications _
information 13 » information 1.3, information 3, information 1
3 development » 2 development
development 2 » development 1, development 2.1, development 2.3
costs 3 » costs _, costs 4, costs a
2 areal » 2 real, _ areal, 2 areas
13 und » 1933 und

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

• Adding a wildcard symbol may retrieve word variants: technologies _ information 13 und radio communications costs 3 development 2 areal.*.