Perhaps you should try some spelling variations:
introduction 2.3.1 » introduction 2.1.1, introduction 2.3.2, introduction 1.3.1
code introduction » note introduction, one introduction, care introduction
rate developments » trade developments, price developments, site development
technology code » technology case, technology cost, technology choice
1 communication » 10 communication, 3 communication, 4 communication
developments a » developments _, developments 4, developments 3
2.3.1 crisis » 2.1 crisis, 2.2.2 crisis, 6.3.2 crisis
costs rate » costs water, costs case, costs data
crisis 1 » crisis _, crisis a
a aortic » _ aortic, _ artic

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

• Adding a wildcard symbol may retrieve word variants: technology code introduction 2.3.1 crisis 1 communication costs rate developments a aortic.*.