Perhaps you should try some spelling variations:
24 communication » 2.4 communication, 4 communication, 2 communication
developpement et » developpement des, developpement de, development east
formation acces » information access, formation acteurs, formation across
technologies 4 » technologies _
4 formation » 1 formation, a formation, 4 formulation
et afrique » en afrique, l afrique
acces how » access how
how 24 » how 2.4
a bet » a best, a bent, a beta
a et » a set, a net, a jet

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 formation acces how 24 communication ((a et) OR (a bet)) developpement et afrique.~".
• Adding a wildcard symbol may retrieve word variants: technologies 4 formation acces how 24 communication ((a et) OR (a bet)) developpement et afrique.*.