Perhaps you should try some spelling variations:
oral communication » personal communication
development 1.1 » development 2.1, development 2.3, development 2.2
technologien 2 » technologies 2, technologien _, technologien 1
3 development » 2 development
preface der » preface de, preface des, preface here
1.1 access » 3.1 access, 5.1 access, 10 access
der oral » der moral, der ort, der orte
costs 3 » costs _, costs 4, costs a

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

• Adding a wildcard symbol may retrieve word variants: technologien 2 information preface der oral communication costs 3 development 1.1 access.*.