Perhaps you should try some spelling variations:
change information » chandos information, trade information
technology change » technological change, technological changes
information cases » information case, information classes, information costs
5.2 communication » 3.2 communication, 6.2 communication, 2.2 communication
developpement et » developpement des, developpement de, development east
a developpement » au developpement, de developpement, le developpement
cases case » causes case, case case, crises case
et afrique » en afrique, l afrique
case 5.2 » case 4.2, case 3.2, case 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 information cases case 5.2 communication costs a developpement et afrique.*.