Perhaps you should try some spelling variations:
technologies basic » technologies based, technologies bit, technologies big
basic formulation » basic population, bayesian formulation, policy formulation
gt communication » get communication, et communication, et communicatione
developpement en » developpement et, developpement des, developpement de
formulation de » formulation des, formulacion de, formulation du
de using » die using, we using, re using
using gt » using gc, using art, using gis

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 using gt communication costs _ developpement en afrique.*.