Perhaps you should try some spelling variations:
technologies based » technologies used, technology based, technologies a
data communication » data communications
based formulation » basic formulation, case formulation, based simulation
formulation where » formulation over, formulation des, calculation where
d3 developpement » de developpement, du developpement, le developpement
developpement de » developpement des, developpement durable
de afrique » de l'afrique, en afrique, l afrique
where eo » where do, where you, where few
a d3 » a 3, a d, a de

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

• Adding a wildcard symbol may retrieve word variants: technologies based formulation where eo data communication a d3 developpement de afrique.*.