Perhaps you should try some spelling variations:
2.5.2 communication » 5.5.2 communication, 2.2.3 communication, 2.2 communication
technology choice » technology change
choice inflation » choice information, price inflation
developpement de » developpement des, developpement durable
a developpement » au developpement, de developpement, le developpement
case 2.5.2 » case 5.5.2, case 12.4.2, case 5.2
de afrique » de l'afrique, en afrique, l afrique
rate case » state case, write case, rate caps
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 choice inflation rate case 2.5.2 communication costs a developpement de afrique.*.