Perhaps you should try some spelling variations:
communications network » communications networks, communication network, communication networks
rural communications » oral communication, rural telecommunications, cultural communications
technologies ser » technologies series, technologies sector, technologies _
information need » information needs, information needed, information speed
ser information » user information, der information, users information
development en » developpement en, development menu, development eco
de rural » do rural, use rural, one rural
need de » need le, need fide, need one

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

• Adding a wildcard symbol may retrieve word variants: technologies ser information need de rural communications network _ development en afrique.*.