Perhaps you should try some spelling variations:
rural communications » oral communication, rural telecommunications, cultural communications
communications a » communications _, communications law, communications media
3 developpement » de developpement, le developpement, et developpement
do's variation » does variation, modes variation, de variation
firms rural » firm rural
des afrique » en afrique, de l'afrique

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: "(apology OR typology) do's variation _ firms rural communications a 3 developpement des afrique.~".
• Adding a wildcard symbol may retrieve word variants: (apology OR typology) do's variation _ firms rural communications a 3 developpement des afrique.*.