Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
4.2 communications » 4.2 communication, 3.2 communication, 6.2 communication
a developpement » au developpement, de developpement, le developpement
index prices » index price, index places, index provinces
des afrique » en afrique, de l'afrique
prices 4.2 » prices 3.2, prices 4.6, prices 4.9
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 _ inflation index prices 4.2 communications costs a developpement des afrique.*.