Perhaps you should try some spelling variations:
und informationsquelle » und informationsquellen, als informationsquelle, und informationelle
informationsquelle 1 » informationsquellen b, informationsquelle der, informationsquellen 3.3
oral communication » personal communication
technologien und » technologie und, technologien des, technologien fur
development 3.1 » development 1
4 development » 2 development, 4 developing
3.1 access » 1.1 access, 3.2 access, 3.6 access
costs 4 » costs _, costs a, costs 4.2
3 oral » _ oral, 2 oral, 4 oral

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

• Adding a wildcard symbol may retrieve word variants: technologien und informationsquelle 1 3 oral communication costs 4 development 3.1 access.*.