Perhaps you should try some spelling variations:
developpements des » developpement des, developpements de, developpement de
des developpements » deux developpements, de developpement, et developpements
communication 2.4 » communication 3.3, communication 4, communication _
2 communication » 3 communication, 4 communication, 1 communication
technologies 4 » technologies _
4 information » 2 information, 1 information
des afrique » en afrique, de l'afrique
2.4 des » 2.4 does, 2.4 das, 2.4 der
a web » _ web
a we » a wie, _ we, a e

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 information ((a we) OR (a web)) 2 communication 2.4 des developpements des afrique.~".
• Adding a wildcard symbol may retrieve word variants: technologies 4 information ((a we) OR (a web)) 2 communication 2.4 des developpements des afrique.*.