Perhaps you should try some spelling variations:
das developpements » des developpements, deux developpements, de developpement
technologies basic » technologies based, technologies bit, technologies big
basic formulation » basic population, bayesian formulation, policy formulation
developpements en » developpement en, developpement et, developpements de
formulation ever » formulation over, formulation where, formulation des
ever do » ever done
a das » 1 das, 2 das, 3 das

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

• Adding a wildcard symbol may retrieve word variants: technologies basic formulation ever do _ communication a das developpements en afrique.*.