Perhaps you should try some spelling variations:
technological chain » technological change, technological choice, technological gains
chain formulating » chain formulation, co formulating, unit formulating
de developpement » sme development
developpement et » developpement des, developpement de, development east
3 communication » 4 communication, de communication, data communication
et african » west african, east african, new african
media de » media die, media der, media diet

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

• Adding a wildcard symbol may retrieve word variants: technological chain formulating _ a 3 communication media de developpement et african.*.