Perhaps you should try some spelling variations:
radio communications » radio communication, data communications
der developpements » des developpements, deux developpements, de developpement
developpements en » developpement en, developpement et, developpements de
communications a » communications _, communications law, communications media
typologie der » typologie des, ideologie der
der variation » de variation, does variation, die variation
variation der » variation des, variation bei, variation _
de radio » dm radio, desi radio, mode radio
a der » _ der, 2 der, 3 der

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

• Adding a wildcard symbol may retrieve word variants: typologie der variation der de radio communications a der developpements en afrique.*.