Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
2.1 communications » 3.1 communications, 4.1 communication, 1.1 communication
au developpement » du developpement, de developpement, le developpement
developpement de » developpement des, developpement durable
inflation taxes » inflation rates, inflation tax, inflation targets
taxes range » target range
de afrique » de l'afrique, en afrique, l afrique
range 2.1 » ranges 2.1, range 2.4, change 2.1
costs au » costs a, costs amy, costs _

You may be able to get more results by adjusting your search query.

• Adding a wildcard symbol may retrieve word variants: technology _ inflation taxes range 2.1 communications costs au developpement de afrique.*.