Perhaps you should try some spelling variations:
proper communication » power communication, prone communication, provider communication
does developpement » de developpement, des developpements, does development
developpement de » developpement des, developpement durable
der variation » de variation, does variation, die variation
variation des » variation _, variation 6, variation series
typology der » typologie der, typologien der, typologie des
der proper » der property, over proper, der oper
de afrique » de l'afrique, en afrique, l afrique
des der » des dr, des ddr, des dem

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

• Adding a wildcard symbol may retrieve word variants: typology der variation des der proper communication _ does developpement de afrique.*.