Perhaps you should try some spelling variations:
oral communication » personal communication
technologien aux » technologien auf, technologien fur, technologien als
aux information » aux informations, tax information, math information
development 2.1 » development 1
3 development » 2 development
preface der » preface de, preface des, preface here
2.1 access » 1.1 access, 3.1 access, 5.1 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 aux information preface der oral communication costs 3 development 2.1 access.*.