Perhaps you should try some spelling variations:
open communication » human communication, 3 communication, 4 communication
der developpement » de developpement, des developpements, leur developpement
communication 4 » communication _, communication a, communication 3
des variation » does variation, de variation, der variation
variation des » variation _, variation 6, variation series
des afrique » en afrique, de l'afrique
dr open » der open, d open, door open
4 der » _ der, 2 der, 3 der
typologie » typologies, typology

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

• Adding a wildcard symbol may retrieve word variants: typologie des variation des dr open communication 4 der developpement des afrique.*.