Perhaps you should try some spelling variations:
national development » international development, institutional development, social development
development chapter » development center, development case
pt communication » put communication, et communication, post communication
regulation 10.1 » regulation 10.3, regulation 10.1.3, regulation 11
costs national » cross national, across national, gross national
technology co » technology cost, technology code, technology can
co regulation » cap regulation, de regulation, 2 regulation
10.1 crisis » 1.1 crisis, 10.2 crisis, 11 crisis
crisis pt » crisis _, crisis a
chapter 3 » chapter 2, chapter 1

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

• Adding a wildcard symbol may retrieve word variants: technology co regulation 10.1 crisis pt communication costs national development chapter 3.*.