Perhaps you should try some spelling variations:
3.3.2 communication » 3.4.2 communication, 3.2.3.2 communication, 13.3.9 communication
inflation levels » inflation rates, education levels, pollution levels
developpement la » developpement de, developpement et, developpement du
a developpement » au developpement, de developpement, le developpement
levels prices » level price, cereals prices, metals prices
technology 1 » technology _
prices 3.3.2 » prices 3.4.2, prices 4.3.2, price 6.3.2
1 inflation » 10 inflation, 12 inflation, _ inflation
la afrique » l afrique, la fabrique, en 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 levels prices 3.3.2 communication costs a developpement la afrique.*.