Perhaps you should try some spelling variations:
based formulation » basic formulation, case formulation, based simulation
formulation where » formulation over, formulation des, calculation where
de developpement » sme development
developpement l » developpement il, developpement la, developpement de
l afrique » en afrique
where do » where _
do data » eo data, go data, geo data

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

• Adding a wildcard symbol may retrieve word variants: technology based formulation where do data communications _ de developpement l afrique.*.