Perhaps you should try some spelling variations:
14 communications » 10 communications, 14 communication, 4 communications
developpement du » developpement de, developpement des, developpement et
technologies 4 » technologies _
formation des » formation _
4 formation » 1 formation, a formation, 4 formulation
du afrique » en afrique, l afrique, de l'afrique
des how » des hofs, eyes how, iles how
how 14 » how 12, how 15, how 24
av et » av ett, av en, ag et
a et » a set, a net, a bet

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: "technologies 4 formation des how 14 communications ((av et) OR (a et)) developpement du afrique.~".
• Adding a wildcard symbol may retrieve word variants: technologies 4 formation des how 14 communications ((av et) OR (a et)) developpement du afrique.*.