Perhaps you should try some spelling variations:
de communication » mobile communication, online communication
developpement du » developpement de, developpement des, developpement et
typologies des » typologie des, typologie der, typologien der
des variation » does variation, de variation, der variation
variation 4 » variations 4, variation _, variation 6
du afrique » en afrique, l afrique, de l'afrique
does de » does debt
4 does » 2 does
3.3 el » 2.3 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: "typologies des variation 4 does de communication ((3.3 el) OR (3.3 eu)) developpement du afrique.~".
• Adding a wildcard symbol may retrieve word variants: typologies des variation 4 does de communication ((3.3 el) OR (3.3 eu)) developpement du afrique.*.