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
5.5 developing » 25.5 developing, 5.15 developing, 1.5 developing
information 2 » information 3
developing a » developing _
costs 5.5 » costs 3.5, cost 5.5, costs 2.5
why oral » why rural, why deal
a access » 2 access, 3 access, 4 access
2 why » _ why, 1 why

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

• Adding a wildcard symbol may retrieve word variants: technologien aids information 2 why oral communication costs 5.5 developing a access.*.