Perhaps you should try some spelling variations:
technologies concrete » technologies corporate, technologies cohort, technologies create
concrete formulation » contract formulation
die developpement » de developpement, le developpement, du developpement
10 communication » 1 communication, de communication, 3 communication
developpement de » developpement des, developpement durable
communication 3 » communication _, communication a
de afrique » de l'afrique, en afrique, l afrique
goes 10 » notes 10, comes 10, gates 10
3 die » 2 die, _ die

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

• Adding a wildcard symbol may retrieve word variants: technologies concrete formulation _ goes 10 communication 3 die developpement de afrique.*.