Perhaps you should try some spelling variations:
informal communication » internal communication, information communication, internal communications
de developpement » sme development
variation using » variations during, variation und, variation among
des variation » does variation, de variation, der variation
do informal » who informal, _ informal, 3 informal
des afrique » en afrique, de l'afrique
using do » using dt, using adb, using dbs
media de » media die, media der, media diet
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 do informal communication media de developpement des afrique.*.