Perhaps you should try some spelling variations:
informationsaspekte oral » informationsaspekte _
1 informationsaspekte » informationsaspekte _, b informationsanreize, information aspect
oral communication » personal communication
technologien und » technologie und, technologien des, technologien fur
4 developing » 3 developing
developing 2 » developing _, developing a, developing e
costs 4 » costs _, costs a, costs 4.2
2 areas » 1 areas, 2 areal, 4 areas
und 6b » und 64, und 65, und 69
6b 1 » b 1, 6 1, 1b 1

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

• Adding a wildcard symbol may retrieve word variants: technologien und 6b 1 informationsaspekte oral communication costs 4 developing 2 areas.*.