Perhaps you should try some spelling variations:
open communication » human communication, 3 communication, 4 communication
variation series » education series, action series, edition series
de developpement » sme development
developpement du » developpement de, developpement des, developpement et
typologie de » typologie des, typologie der, typologien der
de variation » der variation, die variation, does variation
du afrique » en afrique, l afrique, de l'afrique
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 series _ open communication a de developpement du afrique.*.