Perhaps you should try some spelling variations:
based development » basin development, land development, rapid development
pt communication » put communication, et communication, post communication
development age » development stage, development a, development aid
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 based » cost based, costs case, hots based
1.1 crisis » 11 crisis, 2.1 crisis, 3.1 crisis
age 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 based development age aortic.*.