Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
5.3 communications » 2.3 communication, 4.3 communication, 1.3 communication
developpement en » developpement et, developpement des, developpement de
4 developpement » de developpement, le developpement, et developpement
technology 3 » technology _, technology 1, technology 4
rate species » rare species, crane species, trace species
3 inflation » _ inflation, 2 inflation, 6 inflation
species 5.3 » species 4.3, species 2.3, species 5.5
costs 4 » costs _, costs a, costs 4.2

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

• Adding a wildcard symbol may retrieve word variants: technology 3 inflation rate species 5.3 communications costs 4 developpement en afrique.*.