Perhaps you should try some spelling variations:
formulation where » formulation over, formulation des, calculation where
de developpement » sme development
developpement en » developpement et, developpement des, developpement de
technologies 3 » technologies _, technologies 4, technologies 2
3 formulation » _ formulation, _ formulating
where do » where _
a de » a die, a der, a des

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

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