Perhaps you should try some spelling variations:
pt communication » put communication, et communication, post communication
development act » development a, development aid, development age
technology end » technology e, technology e.g, technology era
end relations » land relations, et relations, eu relations
relations 1.1 » relations 2.1, relations 3.1, relations 5.1
costs career » costs chapter, costs case, costs clear
1.1 crisis » 11 crisis, 2.1 crisis, 3.1 crisis
act aortic » acute aortic, after aortic
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 end relations 1.1 crisis pt communication costs career development act aortic.*.