Perhaps you should try some spelling variations:
formulation over » formation over, formulation model, formulation where
do developpement » de developpement, du developpement, le developpement
developpement l » developpement il, developpement la, developpement de
technologies 2 » technologies _, technologies 4
2 formulation » _ formulation, 3 formulation, la formulation
l afrique » en afrique
over 1 » cover 1, over _, over a
1 data » 2.1 data, 3.1 data, 4.1 data

You may be able to get more results by adjusting your search query.

• Adding a wildcard symbol may retrieve word variants: technologies 2 formulation over 1 data communications _ do developpement l afrique.*.