Perhaps you should try some spelling variations:
radio communications » radio communication, data communications
does developpement » de developpement, des developpements, does development
developpement la » developpement de, developpement et, developpement du
variation from » variations from, radiation from, variation crop
typologie der » typologie des, ideologie der
der variation » de variation, does variation, die variation
la afrique » l afrique, la fabrique, en afrique
de radio » dm radio, desi radio, mode radio
from de » from dem, from deep

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

• Adding a wildcard symbol may retrieve word variants: typologie der variation from de radio communications _ does developpement la afrique.*.