Perhaps you should try some spelling variations:
development rural » development moral, development cultural, development general
de communication » mobile communication, online communication
technologies 2 » technologies _, technologies 4
4 development » 2 development, 4 developing
contents can » contents main, contents map, contents a
rural africa » rural area
costs 4 » costs _, costs a, costs 4.2
can de » can do, can code, can deal

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

• Adding a wildcard symbol may retrieve word variants: technologies 2 information contents can de communication costs 4 development rural africa.*.