Perhaps you should try some spelling variations:
oral communication » personal communication
information base » information based, information case, information bank
technologien f » technologien _, technologien 1, technologien 4
f information » 2 information, 1 information, 3 information
a developing » a development
base wages » base wage, male wages, based wage
wages oral » wages rural, wages social
costs a » costs _, costs 4

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

• Adding a wildcard symbol may retrieve word variants: technologien f information base wages oral communication costs a developing _ africa.*.