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
variation cover » variation over, variation der, variation notes
developpement l » developpement il, developpement la, developpement de
typologie de » typologie des, typologie der, typologien der
de variation » der variation, die variation, does variation
cover does » cover die, cover das, cover der
does radio » das radio
l afrique » en afrique
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 does radio communications a des developpement l afrique.*.