Perhaps you should try some spelling variations:
change information » chandos information, trade information
technology change » technological change, technological changes
6.2 communication » 3.2 communication, 2.3 communication, 2.7 communication
developpement et » developpement des, developpement de, development east
information day » information daily, information data, information der
4 developpement » de developpement, le developpement, et developpement
et afrique » en afrique, l afrique
care 6.2 » care 3.2, care 1.2, care 5.2
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 information day care 6.2 communication costs 4 developpement et afrique.*.