Perhaps you should try some spelling variations:
3.2 communication » 3 communication, 2.3 communication, de communication
inflation levels » inflation rates, education levels, pollution levels
4 developpement » de developpement, le developpement, et developpement
developpement l » developpement il, developpement la, developpement de
levels prices » level price, cereals prices, metals prices
technology 3 » technology _, technology 1, technology 4
3 inflation » _ inflation, 2 inflation, 6 inflation
prices 3.2 » price 3.2, prices 3.1, prices 4.2
l afrique » en afrique
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 levels prices 3.2 communication costs 4 developpement l afrique.*.