Perhaps you should try some spelling variations:
6b informationsbereich » 6 informationsbereich, 6 informationsbrev, b informationsanreize
informationsbereich iv » 6 informationsbereich, informationswert iv
oral communication » personal communication
technologien fur » technologien des, technologien und, technologies 2
a developing » a development
developing 2 » developing _, developing a, developing e
iv oral » iv moral, i oral, ii oral
costs a » costs _, costs 4
2 areal » 2 real, _ areal, 2 areas

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

• Adding a wildcard symbol may retrieve word variants: technologien fur 6b informationsbereich iv oral communication costs a developing 2 areal.*.