Perhaps you should try some spelling variations:
radio communications » radio communication, data communications
des developpement » des developpements, de developpement, le developpement
communications 1 » communications 14, communications _, communications a
typologien does » typologie des, typologien der, typologie der
does variation » de variation, der variation, die variation
des afrique » en afrique, de l'afrique
das radio » deals radio, desi radio, a radio
1 des » 1 das, 1 der, a des

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

• Adding a wildcard symbol may retrieve word variants: typologien does variation _ das radio communications 1 des developpement des afrique.*.