Perhaps you should try some spelling variations:
radio communications » radio communication, data communications
du developpement » de developpement, le developpement, et developpement
developpement de » developpement des, developpement durable
typologies des » typologie des, typologie der, typologien der
variation guns » variation und, variation des, variation due
des variation » does variation, de variation, der variation
does radio » das radio
de afrique » de l'afrique, en afrique, l afrique
guns does » tens does

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

• Adding a wildcard symbol may retrieve word variants: typologies des variation guns does radio communications _ du developpement de afrique.*.