Perhaps you should try some spelling variations:
de communication » mobile communication, online communication
developpement et » developpement des, developpement de, development east
typologie does » typologie des, typologie der, typologie cices
does variation » de variation, der variation, die variation
et afrique » en afrique, l afrique
does de » does debt
7.1 el » 3.1 el, 2.1 el, 4.1 el
1.1 el » 3.1 el

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 does variation _ does de communication ((7.1 el) OR (1.1 el)) developpement et afrique.~".
• Adding a wildcard symbol may retrieve word variants: typologie does variation _ does de communication ((7.1 el) OR (1.1 el)) developpement et afrique.*.