Perhaps you should try some spelling variations:
rural communication » rural communications, oral communication, moral communication
information centre » information centers, information contents
technologien 2 » technologies 2, technologien _, technologien 1
3.1 developing » 3.3 developing, 3.2 developing, 4.1 developing
developing 1 » developing _, developing a, developing e
centre de » centre _, centrale des
costs 3.1 » costs 3.5, costs 4.1, costs 2.1
de rural » do rural, use rural, one rural

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

• Adding a wildcard symbol may retrieve word variants: technologien 2 information centre de rural communication costs 3.1 developing 1 africa.*.