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 2.3 » development 2.1, development 1
3 development » 2 development
preface der » preface de, preface des, preface here
2.3 access » 5.3 access, 1.3 access, 2.4 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 2.3 access.*.