Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
2.3.1 communications » 2.3.1.1 communication, 2.3 communication, 3.1 communication
technology gap » technology 1, technology 2.2, technology 3
developing des » developing deep, developing e, developing ce
gap inflation » has inflation, grade inflation, rapid inflation
4 developing » 3 developing
inflation a » inflation _, inflation tax, inflation rate
price 2.3.1 » prices 2.3.1, prices 2.3.4, prices 2.3.5
des briques » des risques, des banques, des pratiques
a price » a primer
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 gap inflation a price 2.3.1 communications costs 4 developing des briques.*.