Perhaps you should try some spelling variations:
informal communication » internal communication, information communication, internal communications
das developpement » des developpements, de developpement, du developpement
developpement l » developpement il, developpement la, developpement de
des variation » does variation, de variation, der variation
variation bei » variation des, variation der, variation _
do informal » who informal, _ informal, 3 informal
l afrique » en afrique
bei do » bei de, bei bodo

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "(typologie OR typology) des variation bei do informal communication _ das developpement l afrique.~".
• Adding a wildcard symbol may retrieve word variants: (typologie OR typology) des variation bei do informal communication _ das developpement l afrique.*.