Perhaps you should try some spelling variations:
radio communications » radio communication, data communications
des developpement » des developpements, de developpement, le developpement
communications a » communications _, communications law, communications media
developpement en » developpement et, developpement des, developpement de
variation cover » variation over, variation der, variation notes
typologie de » typologie des, typologie der, typologien der
de variation » der variation, die variation, does variation
cover das » cover die
das radio » deals radio, desi radio, a radio
a des » a der, a das

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

• Adding a wildcard symbol may retrieve word variants: typologie de variation cover das radio communications a des developpement en afrique.*.