Perhaps you should try some spelling variations:
rural communication » rural communications, oral communication, moral communication
information cases » information case, information classes, information costs
technologien als » technologien des, technologien fur, technologien und
als information » als informations, aids information, laws information
development 5.1 » development 1.1, development 5.4, development 5.2.1
5.1 access » 1.1 access, 3.1 access, 2.5.1 access
cases use » cases case, cases und, uses use
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 cases use rural communication costs 2 development 5.1 access.*.