Perhaps you should try some spelling variations:
oral communication » personal communication
technologien aids » technologien als, technologien ad, technologien des
information phase » information please, formation phase, information case
aids information » chandos information, series information
4.2 development » 3.2 development, 2.3 development, 1 development
development 2.3 » development 2.1, development 1
2.3 access » 5.3 access, 1.3 access, 2.4 access
phase des » phasen des, phase der
des oral » des moral, des oil, des orts

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

• Adding a wildcard symbol may retrieve word variants: technologien aids information phase des oral communication costs 4.2 development 2.3 access.*.