Perhaps you should try some spelling variations:
communication series » communication services, communication systems, communication skills
data communication » data communications
le developpement » de developpement, sme development
typologie der » typologie des, ideologie der
der variation » de variation, does variation, die variation
des afrique » en afrique, de l'afrique
cost data » test data
series le » series e, series de, series ltre

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

• Adding a wildcard symbol may retrieve word variants: typologie der variation _ cost data communication series le developpement des afrique.*.