Perhaps you should try some spelling variations:
rural communication » rural communications, oral communication, moral communication
technologien als » technologien des, technologien fur, technologien und
information case » information based, information can, information costs
als information » als informations, aids information, laws information
development 2.1 » development 1
2.1 access » 1.1 access, 3.1 access, 5.1 access
case use » case user, cases use, case case
costs 2 » costs 20, 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 als information case use rural communication costs 2 development 2.1 access.*.