Perhaps you should try some spelling variations:
developing concepts » development concepts, development concept, developing countries
oral communication » personal communication
technologien des » technologien fur, technologien und, technologies 2
information case » information based, information can, information costs
des information » des informations, does information, dis information
concepts access » contents access
2 developing » 3 developing, 4 developing, 2 development
costs 2 » costs 20, costs _, costs 4
case i » case 1, case 2, case 3
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 des information case i oral communication costs 2 developing concepts access.*.