Perhaps you should try some spelling variations:
7.6.2 communication » 3.3.2 communication, 3.4.2 communication, 4.2.2 communication
technology change » technological change, technological changes
change inflation » change information, change innovation, change simulation
developpement en » developpement et, developpement des, developpement de
inflation sales » inflation rates, inflation taxes, inflation als
a developpement » au developpement, de developpement, le developpement
sales past » states past, values past, sales case
past 7.6.2 » past 1.1.2, past 3.3.2, past 5.2.2
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 sales past 7.6.2 communication costs a developpement en afrique.*.