Perhaps you should try some spelling variations:
technology change » technological change, technological changes
2.2 communication » 2.3 communication, 3.2 communication, 2.7 communication
change inflation » change information, change innovation, change simulation
developpement de » developpement des, developpement durable
inflation a » inflation _, inflation tax, inflation rate
de afrique » de l'afrique, en afrique, l afrique
case 2.2 » cases 2.2, case 4.2, case 2.3

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

• Adding a wildcard symbol may retrieve word variants: technology change inflation a case 2.2 communication costs _ developpement de afrique.*.