Perhaps you should try some spelling variations:
technologies volume » technology volume, technologies policies
4.2 communication » 4.2 communications, 3.2 communication, 4.1 communication
volume inflation » volume ventilation, volume evaluation, core inflation
developpement de » developpement des, developpement durable
a developpement » au developpement, de developpement, le developpement
de afrique » de l'afrique, en afrique, l afrique
rate case » state case, write case, rate caps
case 4.2 » case 4.1, 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: technologies volume inflation rate case 4.2 communication costs a developpement de afrique.*.