Perhaps you should try some spelling variations:
2.2.3 communication » 12.2.4 communication, 3.2 communication, 2.7 communication
developpement du » developpement de, developpement des, developpement et
a developpement » au developpement, de developpement, le developpement
technology 1 » technology _
prices 2.2.3 » prices 2.2.2, prices 7.2.3, prices 11.2.3
1 inflation » 10 inflation, 12 inflation, _ inflation
du afrique » en afrique, l afrique, de l'afrique
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 1 inflation _ prices 2.2.3 communication costs a developpement du afrique.*.