Perhaps you should try some spelling variations:
modern communication » modern communications, modern communicator, modeling communication
de developpement » sme development
developpement de » developpement des, developpement durable
communication 4 » communication _, communication a, communication 3
des variation » does variation, de variation, der variation
6 der » _ der, 3 der, 1 der
2 der » _ der
4 de » 4 die, 4 der, 4 des
typologie » typologies, typology

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 des variation ((6 der) OR (2 der)) modern communication 4 de developpement de l'afrique.~".
• Adding a wildcard symbol may retrieve word variants: typologie des variation ((6 der) OR (2 der)) modern communication 4 de developpement de l'afrique.*.