Perhaps you should try some spelling variations:
ruralen communication » rural communications, rural telecommunication, oral communication
information centres » information centre, information centrism, information centers
technologien does » technologien des, technologien als, technologie de
does information » des informations, dis information, users information
3.3 developing » 4 developing, 2 developing, 1 developing
developing 1 » developing _, developing a, developing e
costs 3.3 » costs 2.3, costs 3.5, costs 4.3

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

• Adding a wildcard symbol may retrieve word variants: technologien does information centres _ ruralen communication costs 3.3 developing 1 africa.*.