Perhaps you should try some spelling variations:
4.3 communication » 2.3 communication, 4.1 communication, 4 communication
technologien und » technologie und, technologien des, technologien fur
information case » information based, information can, information costs
und information » fund information, road information, award 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 4.3 » a 4.2, a 3.3, a 4.1

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

• Adding a wildcard symbol may retrieve word variants: technologien und information case a 4.3 communication costs a developing a areal.*.