Perhaps you should try some spelling variations:
communication skills » communication services, communication systems
technologies cohort » technologies corporate, technologies authors, technologies co
data communication » data communications
cohort variation » color variation, country variation, about variation
do developpement » de developpement, du developpement, le developpement
variation der » variation des, variation bei, variation _
des afrique » en afrique, de l'afrique
skills do » skills how, skills _, skills a
der data » under data, order data, der daten
der der » oder der, der de, der den

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

• Adding a wildcard symbol may retrieve word variants: technologies cohort variation der der data communication skills do developpement des afrique.*.