Perhaps you should try some spelling variations:
1.1 communication » 4.1 communication, 1.3 communication, 1.4 communication
technologien fur » technologien des, technologien und, technologies 2
information case » information based, information can, information costs
fur information » zur information, fair information, your 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 1.1 » i 1.1, a 4.1, a 6.1

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

• Adding a wildcard symbol may retrieve word variants: technologien fur information case a 1.1 communication costs a developing a areal.*.