Perhaps you should try some spelling variations:
rural communications » oral communication, rural telecommunications, cultural communications
communications a » communications _, communications law, communications media
et developpement » de developpement, le developpement, test development
2 variation » 2 variations
typology 2 » typology _, typology 6, typology a
du afrique » en afrique, l afrique
a et » a set, a net, a bet

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "typology 2 variation _ a rural communications a et developpement ((du afrique) OR (de l'afrique)).~".
• Adding a wildcard symbol may retrieve word variants: typology 2 variation _ a rural communications a et developpement ((du afrique) OR (de l'afrique)).*.