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 de » developpement des, developpement durable
inflation tax » inflation rate, inflation _, inflation target
de afrique » de l'afrique, en afrique, l afrique
base 3.2 » case 3.2, base 3.1, base 3.3

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

• Adding a wildcard symbol may retrieve word variants: technology change inflation tax base 3.2 communication costs _ developpement de afrique.*.