Perhaps you should try some spelling variations:
informations cases » information case, information classes, information cascades
oral communication » personal communication
technologien des » technologien fur, technologien und, technologies 2
des informations » aids information
2.3 development » 2 development, 2015 development, 1 development
development 5.3 » development 5.1, development 5.4, development 5.5
5.3 access » 1.1 access, 3.1 access, 3.2 access
costs 2.3 » costs 4.2, costs 4.4
des oral » des moral, des oil, des orts

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

• Adding a wildcard symbol may retrieve word variants: technologien des informations cases des oral communication costs 2.3 development 5.3 access.*.