Perhaps you should try some spelling variations:
oral communication » personal communication
information cases » information case, information classes, information costs
3.5 development » 3.1 development, 3.2 development, 3.3 development
development 3.2 » development 3.1, development 3.3, development 1
technologies 2 » technologies _, technologies 4
3.2 access » 3.1 access, 3.6 access, 4.2 access
cases der » cases des, cases per, cases over
costs 3.5 » costs 4.2, costs 4.4, costs 2.3
der oral » der moral, der ort, der orte

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

• Adding a wildcard symbol may retrieve word variants: technologies 2 information cases der oral communication costs 3.5 development 3.2 access.*.