Perhaps you should try some spelling variations:
radio communications » radio communication, data communications
communications 13 » communications 1, communications 14, communications 3
des developpement » des developpements, de developpement, le developpement
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
13 des » 13 does, 13 der, 13 das

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 13 des developpement des afrique.*.