Perhaps you should try some spelling variations:
technologies basic » technologies based, technologies bit, technologies big
basic formulation » basic population, bayesian formulation, policy formulation
developpement de » developpement des, developpement durable
formulation fun » formulation du, formulation _, formulation 3
a developpement » au developpement, de developpement, le developpement
fun doing » un doing, und doing, fun being
costs a » costs _, costs 4

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

• Adding a wildcard symbol may retrieve word variants: technologies basic formulation fun doing _ communication costs a developpement de l'afrique.*.