Perhaps you should try some spelling variations:
open communication » human communication, 3 communication, 4 communication
des developpements » deux developpements, de developpement, et developpements
developpements en » developpement en, developpement et, developpements de
des variation » does variation, de variation, der variation
variation des » variation _, variation 6, variation series
dr open » der open, d open, door open
a des » a der, a das
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 a des developpements en afrique.*.