Perhaps you should try some spelling variations:
rural communication » rural communications, oral communication, moral communication
information centre » information centers, information contents
2.3 developing » 3.3 developing, 2.2 developing, 1.3 developing
developing a » developing _
centre de » centre _, centrale des
costs 2.3 » costs 4.2, costs 4.4
de rural » do rural, use rural, one rural
a africa » 1 africa, can africa, em africa

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

• Adding a wildcard symbol may retrieve word variants: technologies _ information centre de rural communication costs 2.3 developing a africa.*.