Perhaps you should try some spelling variations:
als informationsquelle » auf informationelle
informationsquelle 1 » informationsquellen b, informationsquelle der, informationsquellen 3.3
technologien als » technologien des, technologien fur, technologien und
3 development » 2 development
a mobile » _ mobile
3 access » 2 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: technologien als informationsquelle 1 a mobile communication costs 3 development 3 access.*.