Perhaps you should try some spelling variations:
modern communication » modern communications, modern communicator, modeling communication
developpement en » developpement et, developpement des, developpement de
typologie der » typologie des, ideologie der
der variation » de variation, does variation, die variation
variation 6 » variation _, variations _, variation des
der modern » der moderne, der modernen, oder moderne
6 der » _ der, 2 der, 3 der
a des » a der, a das
4 de » 4 die, 4 der, 4 des

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 der variation 6 der modern communication ((4 de) OR (a des)) developpement en afrique.~.
• Adding a wildcard symbol may retrieve word variants: typologie der variation 6 der modern communication ((4 de) or (a des)) developpement en afrique.*.