Perhaps you should try some spelling variations:
6.2 communication » 3.2 communication, 2.3 communication, 2.7 communication
technological et » technological meta, technological art, technological _
innovation rates » innovation rate, innovation notes, innovation race
developpement en » developpement et, developpement des, developpement de
4 developpement » de developpement, le developpement, et developpement
et innovation » der innovation, 2 innovation, 3 innovation
rates daten » rates latin, rates rates, rates data
daten 6.2 » daten 7.2, date 6.2, daten 2.2
costs 4 » costs _, costs a, costs 4.2

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

• Adding a wildcard symbol may retrieve word variants: technological et innovation rates daten 6.2 communication costs 4 developpement en afrique.*.