Perhaps you should try some spelling variations:
technologies 3.2 » technologies 3.1, technologies 2, technologies 2.1
le developpement » de developpement, sme development
developpement du » developpement de, developpement des, developpement et
3.2 formation » 1.2 formation, 2.2 formation, 4.2 formation
formation des » formation _
du afrique » en afrique, l afrique, de l'afrique
how 24 » how 2.4
how 4 » how 45, how 46, how _
a le » a les, a la, a l

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 3.2 formation des ((how 4) OR (how 24)) communication a le developpement du afrique.~".
• Adding a wildcard symbol may retrieve word variants: technologies 3.2 formation des ((how 4) OR (how 24)) communication a le developpement du afrique.*.