Perhaps you should try some spelling variations:
de communication » mobile communication, online communication
developpement l » developpement il, developpement la, developpement de
des variation » does variation, de variation, der variation
variation aid » variation im, variation und, variation a
l afrique » en afrique
aid does » card does, aid days, aid do
does de » does debt
a bet » a best, a bent, a beta
a et » a set, a net, a jet
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 aid does de communication ((a et) OR (a bet)) developpement l afrique.~".
• Adding a wildcard symbol may retrieve word variants: typologie des variation aid does de communication ((a et) OR (a bet)) developpement l afrique.*.