Perhaps you should try some spelling variations:
technologies could » technologies co, technologies cohort, technologies based
could formulation » rule formulation, model formulation, la formulation
formulation over » formation over, formulation model, formulation where
d3 developpement » de developpement, du developpement, le developpement
developpement en » developpement et, developpement des, developpement de
communication 1 » communication _, communication a, communication 3
over does » cover does, der does, over de
1 d3 » 1 3, 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 over does _ communication 1 d3 developpement en afrique.*.