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
typologien der » typologie der, typologie des, apologien der
der variation » de variation, does variation, die variation
does informal » do informal, does formal, does informality
des afrique » en afrique, de l'afrique
using does » using deep, being does, using aes
media de » media die, media der, media diet

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

• Adding a wildcard symbol may retrieve word variants: typologien der variation using does informal communication media de developpement des afrique.*.