Perhaps you should try some spelling variations:
informal communication » internal communication, information communication, internal communications
de developpement » sme development
developpement de » developpement des, developpement durable
variation using » variations during, variation und, variation among
des variation » does variation, de variation, der variation
does informal » do informal, does formal, does informality
using does » using deep, being does, using aes
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 does informal communication media de developpement de l'afrique.*.