Perhaps you should try some spelling variations:
based formulation » basic formulation, case formulation, based simulation
formulation where » formulation over, formulation des, calculation where
le developpement » de developpement, sme development
developpement de » developpement des, developpement durable
where does » where do
de afrique » de l'afrique, en afrique, l afrique
does data » does cat

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 does data communications _ le developpement de afrique.*.