Perhaps you should try some spelling variations:
technologies volume » technology volume, technologies policies
5.2 communication » 3.2 communication, 6.2 communication, 2.2 communication
volume inflation » volume ventilation, volume evaluation, core inflation
4 developpement » de developpement, le developpement, et developpement
des afrique » en afrique, de l'afrique
rate case » state case, write case, rate caps
case 5.2 » case 4.2, case 3.2, case 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: technologies volume inflation rate case 5.2 communication costs 4 developpement des afrique.*.