Perhaps you should try some spelling variations:
informationsphase 1 » informationsmasse _, transformationsphase 2, informationsquelle 1
oral communication » personal communication
2.3 development » 2 development, 2015 development, 1 development
development 4 » development 1
know oral » new oral
costs 2.3 » costs 4.2, costs 4.4
4 access » 2 access, 3 access
technologien » technologies, technologie, technological

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

• Adding a wildcard symbol may retrieve word variants: technologien informationsphase 1 _ know oral communication costs 2.3 development 4 access.*.