Perhaps you should try some spelling variations:
development integral » development internal, development integrated, development intel
pt communication » put communication, et communication, post communication
case development » care development, based development, scale development
integral action » integrated action, integree actions, integrals function
relation 2.3.1 » relations 6.3.1, relations 2.3.2, relation 3.3.2
technology 6 » technology _, technology 1, technology 3
2.3.1 crisis » 2.1 crisis, 2.2.2 crisis, 6.3.2 crisis
6 relation » _ relation, 5 relation, 2 relation
costs case » costs cash
crisis pt » crisis _, crisis a

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

• Adding a wildcard symbol may retrieve word variants: technology 6 relation 2.3.1 crisis pt communication costs case development integral action.*.