Perhaps you should try some spelling variations:
technology change » technological change, technological changes
change innovation » change information, chain innovation, trade innovation
innovation rates » innovation rate, innovation notes, innovation race
de developpement » sme development
4 communication » 3 communication, 5.4 communication, de communication
developpement l » developpement il, developpement la, developpement de
rates date » rates data, rates rates, rates have
l afrique » en afrique
costs de » costs _, costs 4, costs a
date 4 » daten 4, date _, rate 4

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

• Adding a wildcard symbol may retrieve word variants: technology change innovation rates date 4 communication costs de developpement l afrique.*.