Perhaps you should try some spelling variations:
data communication » data communications
formulation over » formation over, formulation model, formulation where
developpement l » developpement il, developpement la, developpement de
technologies 3 » technologies _, technologies 4, technologies 2
3 formulation » _ formulation, _ formulating
l afrique » en afrique
over do » over de, ever do, over die
do data » eo data, go data, geo data
a les » a lens, a less, 2 les
a le » a la, a l, 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 3 formulation over do data communication ((a le) OR (a les)) developpement l afrique.~".
• Adding a wildcard symbol may retrieve word variants: technologies 3 formulation over do data communication ((a le) OR (a les)) developpement l afrique.*.