Perhaps you should try some spelling variations:
oral communication » personal communication
technologien aids » technologien als, technologien ad, technologien des
aids information » chandos information, series information
information und » informations und
4.1 developing » 3.1 developing, 4 developing, 3.3 developing
developing 4 » developing _, developing a, developing e
modell oral » modern oral
und modell » und modelle
costs 4.1 » costs 4.2, costs 4.4, costs 4.3
4 access » 2 access, 3 access

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

• Adding a wildcard symbol may retrieve word variants: technologien aids information und modell oral communication costs 4.1 developing 4 access.*.