Perhaps you should try some spelling variations:
1.4 communication » 5.4 communication, 1.1 communication, 1.3 communication
information what » information war, information when, information wants
developpement en » developpement et, developpement des, developpement de
era information » a information, via information, 4a information
4 developpement » de developpement, le developpement, et developpement
technology era » technology eva, technology e, technology e.g
what case » what came, what causes, what caused
case 1.4 » case 12.4, case 4.4, case 2.4
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 era information what case 1.4 communication costs 4 developpement en afrique.*.