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
3.2 developing » 3.3 developing, 2.2 developing, 3 developing
developing a » developing _
costs 3.2 » costs 4.2, cost 3.2, costs 3.5
des oral » des moral, des oil, des orts
a access » 2 access, 3 access, 4 access
und des » und der

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 des oral communication costs 3.2 developing a access.*.