Perhaps you should try some spelling variations:
oral communication » personal communication
technologien aux » technologien auf, technologien fur, technologien als
information case » information based, information can, information costs
aux information » aux informations, tax information, math information
4.1 development » 3.1 development, 2.1 development, 2.3 development
costs 4.1 » costs 4.2, costs 4.4, costs 4.3
3 access » 2 access
case n » case 1, case 2, case 3
n oral » _ oral, 2 oral, 4 oral

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

• Adding a wildcard symbol may retrieve word variants: technologien aux information case n oral communication costs 4.1 development 3 access.*.