Perhaps you should try some spelling variations:
oral communication » personal communication
technologien und » technologie und, technologien des, technologien fur
und interaction » und interaktion, und integration, 3d interaction
between modes » between more, between men, between moral
4 developing » 3 developing
modes oral » modern oral
costs 4 » costs _, costs a, costs 4.2

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

• Adding a wildcard symbol may retrieve word variants: technologien und interaction between modes oral communication costs 4 developing _ arenas.*.