Perhaps you should try some spelling variations:
does developpements » des developpements, de developpement, deux developpements
data communication » data communications
developpements du » developpement du, developpements de, developpement de
typologien does » typologie des, typologien der, typologie der
communication 5 » communication _, communication a, communication 3
does variation » de variation, der variation, die variation
costs data » cost data
du afrique » en afrique, l afrique, de l'afrique
5 does » 2 does, 4 does

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

• Adding a wildcard symbol may retrieve word variants: typologien does variation _ costs data communication 5 does developpements du afrique.*.