Perhaps you should try some spelling variations:
device communication » services communication, voice communication, mobile communication
die developpement » de developpement, le developpement, du developpement
developpement de » developpement des, developpement durable
variation des » variation _, variation 6, variation series
typologie de » typologie des, typologie der, typologien der
de variation » der variation, die variation, does variation
debt device » debt service, debt services
de afrique » de l'afrique, en afrique, l afrique
des debt » does debt, des debuts, debt debt
a die » 2 die, 3 die, _ die

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

• Adding a wildcard symbol may retrieve word variants: typologie de variation des debt device communication a die developpement de afrique.*.