Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
informations 2.1.5 » information 2.1.5, information 2.1.6, information 8.2.1.5
era communications » peru communications, a communications, era communicating
technologien des » technologien fur, technologien und, technologies 2
des informations » aids information
development 2 » development 1, development 2.1, development 2.3
2.1.5 why » 2.1.1 why, 1.1.5 why, 2.1.2 why
2 access » 3 access
why era » why erm
costs a » costs _, costs 4

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

• Adding a wildcard symbol may retrieve word variants: technologien des informations 2.1.5 why era communications costs a development 2 access.*.