Perhaps you should try some spelling variations:
de communication » mobile communication, online communication
et developpement » de developpement, le developpement, test development
developpement l » developpement il, developpement la, developpement de
des variation » does variation, de variation, der variation
l afrique » en afrique
aid does » card does, aid do, cd does
aid days » hard days, old days, aid data
a et » a set, a net, a bet
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) OR (aid days)) de communication a et developpement l afrique.~".
• Adding a wildcard symbol may retrieve word variants: typologie des variation ((aid does) OR (aid days)) de communication a et developpement l afrique.*.