Perhaps you should try some spelling variations:
technologies basic » technologies based, technologies bit, technologies big
basic formulation » basic population, bayesian formulation, policy formulation
r2 developpement » de developpement, le developpement, et developpement
developpement et » developpement des, developpement de, development east
3 communication » 4 communication, de communication, data communication
communication r » communication 3, communication 1, communication 2
formulation de » formulation des, formulacion de, formulation du
et afrique » en afrique, l afrique
de does » der does, do does, one does
does 3 » does _, does a, does e
r r2 » r1 r2, r r, 1 r2

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

• Adding a wildcard symbol may retrieve word variants: technologies basic formulation de does 3 communication r r2 developpement et afrique.*.