Perhaps you should try some spelling variations:
2.3.4 communication » 12.2.4 communication, 12.4.4 communication, 2.3 communication
development des » development does, development desd, development ds
inflation boys » inflation bias, inflation gross, inflation als
technology 1 » technology _
prices 2.3.4 » prices 2.3.1, prices 2.3.5, prices 2.3.6
1 inflation » 10 inflation, 12 inflation, _ inflation
boys prices » bonds prices, bond prices, goods prices
des banques » des bandes, des baues, de banque

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

• Adding a wildcard symbol may retrieve word variants: technology 1 inflation boys prices 2.3.4 communication costs _ development des banques.*.