Perhaps you should try some spelling variations:
das developpement » des developpements, de developpement, du developpement
communications 1 » communications 14, communications _, communications a
variation using » variations during, variation und, variation among
des variation » does variation, de variation, der variation
using rates » using gated, using rules, pumping rates
des afrique » en afrique, de l'afrique
rates data » rate data, states data, cases data
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 using rates data communications 1 das developpement des afrique.*.