Perhaps you should try some spelling variations:
oral communication » personal communication
technologien und » technologie und, technologien des, technologien fur
formation phase » formation chapter
3.1 development » 2 development
development 1.3 » development 15.3, development 10.3, development 12.3
und formation » und information, und reformation, band formation
1.3 access » 1.1 access, 5.3 access, 1.2 access
costs 3.1 » costs 3.5, costs 4.1, costs 2.1
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: technologien und formation phase der oral communication costs 3.1 development 1.3 access.*.