Perhaps you should try some spelling variations:
de communication » mobile communication, online 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
variation 4 » variations 4, variation _, variation 6
et afrique » en afrique, l afrique
does de » does debt
4 does » 2 does
7.1 en » 3.1 en, 4.1 en, 9.1 en
7.1 eu » 2.1 eu, 3.1 eu, 1.1 eu

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 4 does de communication ((7.1 en) OR (7.1 eu)) developpement et afrique.~".
• Adding a wildcard symbol may retrieve word variants: typologie die variation 4 does de communication ((7.1 en) OR (7.1 eu)) developpement et afrique.*.