Perhaps you should try some spelling variations:
case communication » based communication, scale communication, face communication
developpement de » developpement des, developpement durable
typologie die » typologie des, typologie der, theologie die
die variation » de variation, does variation, der variation
de afrique » de l'afrique, en afrique, l afrique
der case » per case, dar case, der care
a des » a der, a das
a de » a die, a der, _ de

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

• If you are trying to use Boolean operators, they must be ALL CAPS: typologie die variation _ der case communication ((a de) OR (a des)) developpement de afrique.~.
• Adding a wildcard symbol may retrieve word variants: typologie die variation _ der case communication ((a de) or (a des)) developpement de afrique.*.