Perhaps you should try some spelling variations:
set developpement » et developpement, de developpement, le developpement
communications a » communications _, communications law, communications media
developpement du » developpement de, developpement des, developpement et
technologies 3 » technologies _, technologies 4, technologies 2
formative des » formation des, formative years, formationen des
3 formative » _ formative, _ informative
du afrique » en afrique, l afrique, de l'afrique
how 14 » how 15, how 24, how 14.6
how 12 » how 15
a set » _ set

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 3 formative des ((how 14) OR (how 12)) communications a set developpement du afrique.~".
• Adding a wildcard symbol may retrieve word variants: technologies 3 formative des ((how 14) OR (how 12)) communications a set developpement du afrique.*.