Perhaps you should try some spelling variations:
als developpement » le developpement, au developpement, des developpements
variation series » education series, action series, edition series
communications a » communications _, communications law, communications media
developpement l » developpement il, developpement la, developpement de
l afrique » en afrique
d mass » _ mass, a mass, 2 mass
1 mass » a mass
a als » _ als, 2 als, a abs

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 _ variation series ((d mass) OR (1 mass)) communications a als developpement l afrique.~".
• Adding a wildcard symbol may retrieve word variants: typologies _ variation series ((d mass) OR (1 mass)) communications a als developpement l afrique.*.