Perhaps you should try some spelling variations:
device communication » services communication, voice communication, mobile communication
developpement et » developpement des, developpement de, development east
des variation » does variation, de variation, der variation
debt device » debt service, debt services
et afrique » en afrique, l afrique
a die » 2 die, _ die, 1 die
3 die » 2 die, _ die
typologie » typologies, typology

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "typologie des variation _ debt device communication ((a die) OR (3 die)) developpement et afrique.~".
• Adding a wildcard symbol may retrieve word variants: typologie des variation _ debt device communication ((a die) OR (3 die)) developpement et afrique.*.