Perhaps you should try some spelling variations:
optimale communications » optical communications, optical communication, private communications
does developpement » de developpement, des developpements, does development
communications a » communications _, communications law, communications media
apologien der » typologien der, apologie des, ideologien der
der variation » de variation, does variation, die variation
der optimale » der optimalen, die optimale
des afrique » en afrique, de l'afrique
a does » 2 does, 4 does, 1 does

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

• Adding a wildcard symbol may retrieve word variants: apologien der variation _ der optimale communications a does developpement des afrique.*.