Perhaps you should try some spelling variations:
data communication » data communications
formulation where » formulation over, formulation des, calculation where
developpement en » developpement et, developpement des, developpement de
3 developpement » de developpement, le developpement, et developpement
technologies a » technologies _, technologies 4, technologies 2
a formulation » la formulation, _ formulation, 3 formulation
where go » where do, where gods, where you
go data » geo data, eo data, two data

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

• Adding a wildcard symbol may retrieve word variants: technologies a formulation where go data communication a 3 developpement en afrique.*.