Perhaps you should try some spelling variations:
2 informationsquelle » als informationsquelle, die informationsquellen, und informationsquellen
informationsquelle 1 » informationsquellen b, informationsquelle der, informationsquellen 3.3
oral communication » personal communication
technologies 2 » technologies _, technologies 4
development 10 » developments 10, development 100, development 1
4 development » 2 development, 4 developing
kiel oral » kiel moral
10 access » 1.1 access, 2 access, 3 access
costs 4 » costs _, costs a, costs 4.2
1 kiel » _ kiel

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

• Adding a wildcard symbol may retrieve word variants: technologies 2 informationsquelle 1 kiel oral communication costs 4 development 10 access.*.