Perhaps you should try some spelling variations:
radio communications » radio communication, data communications
des developpements » deux developpements, de developpement, et developpements
developpements il » developpement il, developpements de, developpement de
communications a » communications _, communications law, communications media
typologie does » typologie des, typologie der, typologie cices
does variation » de variation, der variation, die variation
variation over » variation der, variation notes, variation des
il afrique » l afrique, en afrique
de radio » dm radio, desi radio, mode 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 does variation over de radio communications a des developpements il afrique.*.