Perhaps you should try some spelling variations:
radio communications » radio communication, data communications
das developpements » des developpements, deux developpements, de developpement
developpements l » developpements de, developpement il, developpement la
variation being » variation bei, variation using, variation among
typologie de » typologie des, typologie der, typologien der
de variation » der variation, die variation, does variation
being does » lending does, reading does
does radio » das radio
l afrique » en afrique

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

• Adding a wildcard symbol may retrieve word variants: typologie de variation being does radio communications _ das developpements l afrique.*.