Perhaps you should try some spelling variations:
des developpements » deux developpements, de developpement, et developpements
developpements en » developpement en, developpement et, developpements de
des variation » does variation, de variation, der variation
ddr i » ddr im, dr i, ddr 1
a des » a der, a das
do i » do _
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 _ ((ddr i) OR (do i)) communication a des developpements en afrique.~.
• Adding a wildcard symbol may retrieve word variants: typologie des variation _ ((ddr i) or (do i)) communication a des developpements en afrique.*.