Perhaps you should try some spelling variations:
technologies could » technologies co, technologies cohort, technologies based
could formulation » rule formulation, model formulation, la formulation
de communication » mobile communication, online communication
d2 developpement » de developpement, du developpement, le developpement
developpement en » developpement et, developpement des, developpement de
communication 1 » communication _, communication a, communication 3
doses de » doses due, does de, dose de
1 d2 » 1 2, 1 do, 1 de

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

• Adding a wildcard symbol may retrieve word variants: technologies could formulation _ doses de communication 1 d2 developpement en afrique.*.