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
2.1 development » 3.1 development, 2.3 development, 2.2 development
development 2.3 » development 2.1, development 1
2.3 access » 5.3 access, 1.3 access, 2.4 access
case user » case under, cases use
costs 2.1 » costs 2.3, costs 4.1, costs 2.2

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 user oral communication costs 2.1 development 2.3 access.*.