Perhaps you should try some spelling variations:
radio communications » radio communication, data communications
does developpement » de developpement, des developpements, does development
developpement en » developpement et, developpement des, developpement de
variation forms » variation from, variation notes, variation series
des variation » does variation, de variation, der variation
forms dm » formes de, formas de, forms _
dm radio » im radio, fm radio, das radio
typologie » typologies, typology

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

• Adding a wildcard symbol may retrieve word variants: typologie des variation forms dm radio communications _ does developpement en afrique.*.