Perhaps you should try some spelling variations:
technologies concrete » technologies corporate, technologies cohort, technologies create
concrete formulation » contract formulation
formulation des » formation des, formulacion de, formulation _
1 communication » 10 communication, 3 communication, 4 communication
de development » e development, ce development, de developpement
1 afrique » l afrique, en afrique, 1 enrique
des don » des do, des dqn
don 1 » don k, don r, den 1
a de » a die, a der, a des

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 don 1 communication a de development 1 afrique.*.