Perhaps you should try some spelling variations:
technological chain » technological change, technological choice, technological gains
developpement west » developpement des, developpement et, development west
chain formulation » case formulation, plan formulation, vision formulation
3 communication » 4 communication, de communication, data communication
a developpement » au developpement, de developpement, le developpement
formulation 3 » formulation _, formulations _, formulating _
west african » west africa, east africa
media a » media _, media 1, media 3

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

• Adding a wildcard symbol may retrieve word variants: technological chain formulation 3 a 3 communication media a developpement west african.*.