Perhaps you should try some spelling variations:
developpements rural » developpement rural, development rural, developpement durable
technologies based » technologies used, technology based, technologies a
des developpements » deux developpements, de developpement, et developpements
based formulation » basic formulation, case formulation, based simulation
e communication » de communication, 1 communication, une communication
formulation de » formulation des, formulacion de, formulation du
rural africa » rural area
de does » der does, do does, one does
does e » does de, does _, does a

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 e communication _ des developpements rural africa.*.