Perhaps you should try some spelling variations:
technology change » technological change, technological changes
change innovation » change information, chain innovation, trade innovation
2.7 communication » 2.3 communication, 3.2 communication, 2 communication
le developpement » de developpement, sme development
innovation rate » innovation race, innovation create, innovation state
developpement l » developpement il, developpement la, developpement de
rate have » rates have
l afrique » en afrique
have 2.7 » have 5.3, have 9.1
costs le » costs _, costs 4, costs a

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

• Adding a wildcard symbol may retrieve word variants: technology change innovation rate have 2.7 communication costs le developpement l afrique.*.