Perhaps you should try some spelling variations:
technology change » technological change, technological changes
3.2 communication » 3 communication, 2.3 communication, de communication
change inflation » change information, change innovation, change simulation
developpement il » developpement de, developpement et, developpement du
a developpement » au developpement, de developpement, le developpement
il afrique » l afrique, en afrique
rate case » state case, write case, rate caps
case 3.2 » case 4.2, case 3.1, case 5.2
costs a » costs _, costs 4

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

• Adding a wildcard symbol may retrieve word variants: technology change inflation rate case 3.2 communication costs a developpement il afrique.*.