Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
3.1 communications » 3.1 communication, 4.1 communication, 1.1 communication
4.2 development » 3.2 development, 2.3 development, 1 development
development les » development led, development leads, development lael
technology gap » technology 1, technology 2.2, technology 3
gap inflation » has inflation, grade inflation, rapid inflation
inflation tax » inflation rate, inflation _, inflation target
tax rule » tax rules, tax rate
rule 3.1 » rule 13.1, rule 3.2, rule 3.3

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

• Adding a wildcard symbol may retrieve word variants: technology gap inflation tax rule 3.1 communications costs 4.2 development les risques.*.