Perhaps you should try some spelling variations:
die informationsquellen » und informationsquellen, als informationsquelle, 4.6.2 informationsquellen
informationsquellen b » informationsquelle 1, informationsquellen 3.3, informationsquellen der
technologie die » technologie de, technologie im, technologie der
3 development » 2 development
a mobile » _ mobile
a access » 2 access, 3 access, 4 access
costs 3 » costs _, costs 4, costs a

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

• Adding a wildcard symbol may retrieve word variants: technologie die informationsquellen b a mobile communication costs 3 development a access.*.