Perhaps you should try some spelling variations:
8.4.2 communication » 3.4.2 communication, 8.2.2 communication, 3.3.2 communication
du developpement » de developpement, le developpement, et developpement
developpement la » developpement de, developpement et, developpement du
inflation tax » inflation rate, inflation _, inflation target
technology 3 » technology _, technology 1, technology 4
prices 8.4.2 » prices 3.4.2, price 8.4.6, prices 2.2.2
3 inflation » _ inflation, 2 inflation, 6 inflation
tax prices » gas prices, car prices, tax practices
la afrique » l afrique, la fabrique, en afrique
costs du » costs _, costs 4, costs a

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

• Adding a wildcard symbol may retrieve word variants: technology 3 inflation tax prices 8.4.2 communication costs du developpement la afrique.*.