Perhaps you should try some spelling variations:
rural communications » oral communication, rural telecommunications, cultural communications
technologies based » technologies used, technology based, technologies a
based formulation » basic formulation, case formulation, based simulation
formulation sweet » formulation et, formulation des, formulation de
de developpement » sme development
developpement de » developpement des, developpement durable
sweet new » sheet new, street new, feet new
new rural » new real
de africa » does africa, de america, use africa

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

• Adding a wildcard symbol may retrieve word variants: technologies based formulation sweet new rural communications _ de developpement de africa.*.