Perhaps you should try some spelling variations:
device communication » services communication, voice communication, mobile communication
developpement et » developpement des, developpement de, development east
typologie die » typologie des, typologie der, theologie die
die variation » de variation, does variation, der variation
debt device » debt service, debt services
et afrique » en afrique, l afrique
a un » a une, _ un
a u » a us

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 die variation _ debt device communication ((a u) OR (a un)) developpement et afrique.~".
• Adding a wildcard symbol may retrieve word variants: typologie die variation _ debt device communication ((a u) OR (a un)) developpement et afrique.*.