Perhaps you should try some spelling variations:
technologies concrete » technologies corporate, technologies cohort, technologies create
concrete formulation » contract formulation
du developpement » de developpement, le developpement, et developpement
developpement en » developpement et, developpement des, developpement de
formulation des » formation des, formulacion de, formulation _
e communication » de communication, 1 communication, une communication
des does » des doses, der does, des dorfes
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 concrete formulation des does e communication _ du developpement en afrique.*.