Perhaps you should try some spelling variations:
memes communication » memory communication, mass communication, lea's communication
development en » developpement en, development menu, development eco
et variations » its variations, 1er variations, ier variations
typologie et » typologie des, typologie der, typologie von
des des » des deas, des dem, des defis
des der » des dr, des ddr, des dem
a gas » _ gas, 2 gas, 3 gas

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 et variations ((des des) OR (des der)) memes communication a gas development en afrique.~".
• Adding a wildcard symbol may retrieve word variants: typologie et variations ((des des) OR (des der)) memes communication a gas development en afrique.*.