Perhaps you should try some spelling variations:
cat communications » data communications, chad communications, haiti communications
communications 1 » communications 14, communications _, communications a
le developpement » de developpement, sme development
des variation » does variation, de variation, der variation
variation 6 » variation _, variations _, variation des
et afrique » en afrique
l afrique » en afrique
do cat » does cat
6 do » _ do, 1 do, i do
1 le » 1 les, 1 la, 3 le
typologie » typologies, typology

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

• If you are trying to use Boolean operators, they must be ALL CAPS: typologie des variation 6 do cat communications 1 le developpement ((et afrique) OR (l afrique)).~.
• Adding a wildcard symbol may retrieve word variants: typologie des variation 6 do cat communications 1 le developpement ((et afrique) or (l afrique)).*.