Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
2.3.4 communications » 2.3 communication, 12.2.4 communication, 12.4.4 communication
developpement en » developpement et, developpement des, developpement de
4 developpement » de developpement, le developpement, et developpement
technology 3 » technology _, technology 1, technology 4
prices 2.3.4 » prices 2.3.1, prices 2.3.5, prices 2.3.6
3 inflation » _ inflation, 2 inflation, 6 inflation
inflation a » inflation _, inflation tax, inflation rate
a prices » a price, 2 prices, gas prices
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 a prices 2.3.4 communications costs 4 developpement en afrique.*.