Perhaps you should try some spelling variations:
data communication » data communications
based formulation » basic formulation, case formulation, based simulation
formulation over » formation over, formulation model, formulation where
de developpement » sme development
developpement en » developpement et, developpement des, developpement de
over do » over de, ever do, over die
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 over do data communication _ de developpement en afrique.*.