Perhaps you should try some spelling variations:
rural communications » oral communication, rural telecommunications, cultural communications
communications a » communications _, communications law, communications media
de developpement » sme development
developpement l » developpement il, developpement la, developpement de
l afrique » en afrique
des cash » does cash, debt cash, do cash
des cas » des ca, les cas, does cash
a de » a die, a der, a des

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 _ variation ((des cash) OR (des cas)) rural communications a de developpement l afrique.~".
• Adding a wildcard symbol may retrieve word variants: typology _ variation ((des cash) OR (des cas)) rural communications a de developpement l afrique.*.