Perhaps you should try some spelling variations:
technology change » technological change, technological changes
change innovation » change information, chain innovation, trade innovation
4.2 developpement » 4.2 development, de developpement, le developpement
innovation rates » innovation rate, innovation notes, innovation race
4 communication » 3 communication, 5.4 communication, de communication
developpement l » developpement il, developpement la, developpement de
rates daten » rates latin, rates rates, rates data
l afrique » en afrique
daten 4 » daten 5, daten b, daten 1

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 daten 4 communication costs 4.2 developpement l afrique.*.