Perhaps you should try some spelling variations:
rural communications » oral communication, rural telecommunications, cultural communications
der developpement » de developpement, des developpements, leur developpement
communications a » communications _, communications law, communications media
developpement de » developpement des, developpement durable
des variation » does variation, de variation, der variation
variation a » variation _, variation 6, variation 5
dot rural » do rural, cost rural
a dot » _ dot
a der » _ der, 2 der, 3 der
typologie » typologies, typology

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

• Adding a wildcard symbol may retrieve word variants: typologie des variation a dot rural communications a der developpement de l'afrique.*.