Perhaps you should try some spelling variations:
rural communication » rural communications, oral communication, moral communication
information centre » information centers, information contents
developing east » development east, developing a, developing asia
5.4 developing » 6.4 developing, 3.3 developing, 2.2 developing
east africa » west africa
centre has » century has, centre case, centre des
has rural » cash rural, faso rural
costs 5.4 » costs 4.4, costs 6.4, costs 2.4

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

• Adding a wildcard symbol may retrieve word variants: technologies _ information centre has rural communication costs 5.4 developing east africa.*.