Perhaps you should try some spelling variations:
2.3.1.1 communication » 2.2.5.4 communication, 3.4.1 communication, 6.2.4.1 communication
2.1 development » 3.1 development, 2.3 development, 2.2 development
development des » development does, development desd, development ds
technology gap » technology 1, technology 2.2, technology 3
prices 2.3.1.1 » primer 2.3.1.1, prices 2.2.5.7, prices 2.3.4
gap inflation » has inflation, grade inflation, rapid inflation
inflation a » inflation _, inflation tax, inflation rate
des banques » des bandes, des baues, de banque
costs 2.1 » costs 2.3, costs 4.1, costs 2.2
a prices » a price, 2 prices, gas prices

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

• Adding a wildcard symbol may retrieve word variants: technology gap inflation a prices 2.3.1.1 communication costs 2.1 development des banques.*.