Perhaps you should try some spelling variations:
le developpement » de developpement, sme development
developpement du » developpement de, developpement des, developpement et
technologies en » technologies e, technologies et, technologies can
formation iles » formation les, formation des, formation its
en formation » de formation, 1 formation, self formation
du afrique » en afrique, l afrique, de l'afrique
how 14 » how 12, how 24, how 14.6
how 15 » how 12, how 45
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 en formation iles ((how 14) OR (how 15)) communication a le developpement du afrique.~".
• Adding a wildcard symbol may retrieve word variants: technologies en formation iles ((how 14) OR (how 15)) communication a le developpement du afrique.*.