Perhaps you should try some spelling variations:
rural communication » rural communications, oral communication, moral communication
information costs » information contents, information centers, information content
developing asia » development asia, developing a
4 developing » 3 developing
asia africa » cpia africa, china africa
how rural » how real, new rural, do rural
costs 4 » costs _, costs a, costs 4.2

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

• Adding a wildcard symbol may retrieve word variants: technologien _ information costs how rural communication costs 4 developing asia africa.*.