Perhaps you should try some spelling variations:
ruralen communication » rural communications, rural telecommunication, oral communication
information centre » information centers, information contents
technologien does » technologien des, technologien als, technologie de
does information » des informations, dis information, users information
4 developing » 3 developing
des ruralen » der ruralen, des realen, des dualen
centre des » centre de, centrale des, centres de
costs 4 » costs _, costs a, costs 4.2

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

• Adding a wildcard symbol may retrieve word variants: technologien does information centre des ruralen communication costs 4 developing _ africa.*.