Perhaps you should try some spelling variations:
developpement rural » development rural, developpement durable, development moral
technologies based » technologies used, technology based, technologies a
leur developpement » le developpement, deux developpements, de developpement
based formulation » basic formulation, case formulation, based simulation
une communication » d'une communication, ante communication, de communication
formulation de » formulation des, formulacion de, formulation du
rural africa » rural area
does une » does de, does e
de does » der does, do does, one does

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

• Adding a wildcard symbol may retrieve word variants: technologies based formulation de does une communication _ leur developpement rural africa.*.