Perhaps you should try some spelling variations:
developpement rural » development rural, developpement durable, development moral
technologies case » technologies based, technologies can, technologies create
formulation where » formulation over, formulation des, calculation where
use developpement » de developpement, le developpement, use development
case formulation » basic formulation, chain formulation, space formulation
e communication » de communication, 1 communication, une communication
communication 2 » communication _, communication a, communication 3
rural africa » rural area
2 use » _ use, 3 use, 4 use

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

• Adding a wildcard symbol may retrieve word variants: technologies case formulation where _ e communication 2 use developpement rural africa.*.