Perhaps you should try some spelling variations:
developing concepts » development concepts, development concept, developing countries
oral communication » personal communication
technologien dis » technologien des, technologien als, technologien im
information case » information based, information can, information costs
dis information » mis information, aids information, des informations
concepts access » contents access
2 developing » 3 developing, 4 developing, 2 development
case ii » case i, phase ii
ii oral » ii moral, iii oral, i oral
costs 2 » costs 20, costs _, costs 4

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

• Adding a wildcard symbol may retrieve word variants: technologien dis information case ii oral communication costs 2 developing concepts access.*.