Perhaps you should try some spelling variations:
10 communications » 10 communication, 14 communications, 2 communications
developpement du » developpement de, developpement des, developpement et
technologies 4 » technologies _
formative des » formation des, formative years, formationen des
4 formative » _ formative, 3 formative, 2 formative
du afrique » en afrique, l afrique, de l'afrique
des how » des hofs, eyes how, iles how
how 10 » how 12, how 15, how 50
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 formative des how 10 communications ((av et) OR (a et)) developpement du afrique.~".
• Adding a wildcard symbol may retrieve word variants: technologies 4 formative des how 10 communications ((av et) OR (a et)) developpement du afrique.*.