Perhaps you should try some spelling variations:
des informationsquellen » die informationsquellen, als informationsquelle, und informationsquellen
informationsquellen b » informationsquelle 1, informationsquellen 3.3, informationsquellen der
oral communication » personal communication
technologien des » technologien fur, technologien und, technologies 2
3 development » 2 development
new oral » new moral, knew moral, new rural
3 access » 2 access
costs 3 » costs _, costs 4, costs a
b new » 8b new, _ new, a new

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

• Adding a wildcard symbol may retrieve word variants: technologien des informationsquellen b new oral communication costs 3 development 3 access.*.