Perhaps you should try some spelling variations:
informal communication » internal communication, information communication, internal communications
die developpement » de developpement, le developpement, du developpement
typologie de » typologie des, typologie der, typologien der
de variation » der variation, die variation, does variation
6a informal » 6.2 informal, 6.6 informal, _ informal
des afrique » en afrique, de l'afrique
media die » medien die, media age

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

• Adding a wildcard symbol may retrieve word variants: typologie de variation _ 6a informal communication media die developpement des afrique.*.