Perhaps you should try some spelling variations:
4.1 communication » 4 communication, 2.3 communication, 3.2 communication
a developpement » au developpement, de developpement, le developpement
technologie 2 » technologies 2, technologie c, technologie 3
2 inflation » 12 inflation, _ inflation, 6 inflation
inflation a » inflation _, inflation tax, inflation rate
des afrique » en afrique, de l'afrique
case 4.1 » case 4.2, case 1
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: technologie 2 inflation a case 4.1 communication costs a developpement des afrique.*.