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
4 developpement » de developpement, le developpement, et developpement
sales case » sales call, cases case, sales past
case 7.6.2 » case 4.6.2, case 1.6.2, case 7.1.2
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: technology change inflation sales case 7.6.2 communication costs 4 developpement en afrique.*.