Perhaps you should try some spelling variations:
oral communication » personal communication
information costs » information contents, information centers, information content
technologien und » technologie und, technologien des, technologien fur
und information » fund information, road information, award information
4.2 developing » 2.2 developing, 3.2 developing, 4.1 developing
costs i » costs ii, costs _, costs a
i oral » ii oral, _ oral, 2 oral

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

• Adding a wildcard symbol may retrieve word variants: technologien und information costs i oral communication costs 4.2 developing _ access.*.