Perhaps you should try some spelling variations:
services communication » device communication, service telecommunication, crisis communication
de developpement » sme development
variation des » variation _, variation 6, variation series
typologie de » typologie des, typologie der, typologien der
de variation » der variation, die variation, does variation
dem services » des services, de services, dam services
des afrique » en afrique, de l'afrique
des dem » das dem, des der, des des
a de » a die, a der, a des

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

• Adding a wildcard symbol may retrieve word variants: typologie de variation des dem services communication a de developpement des afrique.*.