Perhaps you should try some spelling variations:
rural communications » oral communication, rural telecommunications, cultural communications
communications pt » communication pt, communications _, communications a
au developpement » du developpement, de developpement, le developpement
des variation » does variation, de variation, der variation
normes rural » homes rural, informed rural, farmers rural
des afrique » en afrique, de l'afrique
pt au » pt a, et au
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 _ normes rural communications pt au developpement des afrique.*.