Perhaps you should try some spelling variations:
radio communications » radio communication, data communications
communications a » communications _, communications law, communications media
du developpement » de developpement, le developpement, et developpement
developpement en » developpement et, developpement des, developpement de
des variation » does variation, de variation, der variation
variation bei » variation des, variation der, variation _
does radio » das radio
bei does » being does, behn does, bei der
a du » a d, a de, a u
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 bei does radio communications a du developpement en afrique.*.