Perhaps you should try some spelling variations:
rural communication » rural communications, oral communication, moral communication
information centre » information centers, information contents
technologien does » technologien des, technologien als, technologie de
does information » des informations, dis information, users information
developing asia » development asia, developing a
7.3 developing » 3.3 developing, 1.3 developing, 2.2 developing
asia africa » cpia africa, china africa
costs 7.3 » costs 2.3, costs 4.3, costs 5.3
centre 2 » centre 20, centre _, centre a
2 rural » a rural

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 2 rural communication costs 7.3 developing asia africa.*.