Perhaps you should try some spelling variations:
1.3 communication » 2.3 communication, 13 communication, 4.3 communication
technologien des » technologien fur, technologien und, technologies 2
information case » information based, information can, information costs
des information » des informations, does information, dis information
a developing » a development
developing a » developing _
costs a » costs _, costs 4
a areal » _ areal, 2 areal, 4 areal
case a » case 1, case 2, case 3
a 1.3 » a 3.3, _ 1.3, a 1.1

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

• Adding a wildcard symbol may retrieve word variants: technologien des information case a 1.3 communication costs a developing a areal.*.