Perhaps you should try some spelling variations:
rural communications » oral communication, rural telecommunications, cultural communications
technologies case » technologies based, technologies can, technologies create
des developpement » des developpements, de developpement, le developpement
case information » care information, based information, phase information
information data » information d820, information database, information databases
developpement de » developpement des, developpement durable
de afrique » de l'afrique, en afrique, l afrique
den rural » do rural, modern rural
data den » data daten, data does, data do

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

• Adding a wildcard symbol may retrieve word variants: technologies case information data den rural communications _ des developpement de afrique.*.