Perhaps you should try some spelling variations:
6.2 communication » 3.2 communication, 2.3 communication, 2.7 communication
technology 2.1.3 » technology 2.1.1, technology 2.1.2, technology 2.2.3
2.1.3 inflation » 2.2.4 inflation, 2.3 inflation, 2.3.1 inflation
a developpement » au developpement, de developpement, le developpement
developpement l » developpement il, developpement la, developpement de
l afrique » en afrique
case 6.2 » case 6.12, case f6.2, case 4.2
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: technology 2.1.3 inflation _ case 6.2 communication costs a developpement l afrique.*.