Perhaps you should try some spelling variations:
vote communication » voice communication, ante communication, remote communication
du developpement » de developpement, le developpement, et developpement
developpement en » developpement et, developpement des, developpement de
die variation » de variation, does variation, der variation
typology die » typology _, typology 4.1, typology 6
variation 6 » variation _, variations _, variation des
der vote » der voter, der vogtei, does vote
6 der » _ der, 2 der, 3 der

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

• Adding a wildcard symbol may retrieve word variants: typology die variation 6 der vote communication _ du developpement en afrique.*.