Perhaps you should try some spelling variations:
10 communication » 1 communication, de communication, 3 communication
developpement de » developpement des, developpement durable
technologies 4 » technologies _
formative des » formation des, formative years, formationen des
4 formative » _ formative, 3 formative, 2 formative
des how » des hofs, eyes how, iles how
how 10 » how 12, how 15, how 50
ai et » ai ete, ag et, li et
au et » eau et, ag et

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 communication ((ai et) OR (au et)) developpement de l'afrique.~".
• Adding a wildcard symbol may retrieve word variants: technologies 4 formative des how 10 communication ((ai et) OR (au et)) developpement de l'afrique.*.