Perhaps you should try some spelling variations:
developpement durable » developpement de
radio communications » radio communication, data communications
communications pt » communication pt, communications _, communications a
der developpement » de developpement, des developpements, leur developpement
der variation » de variation, does variation, die variation
apologie der » apologien der, apologie des, typologie der
das radio » deals radio, desi radio, a radio
pt der » pt under

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

• Adding a wildcard symbol may retrieve word variants: apologie der variation _ das radio communications pt der developpement durable l'afrique.*.