Perhaps you should try some spelling variations:
pt communication » put communication, et communication, post communication
technology make » technology market, technology mara, technology more
relations 6.3.1 » relations 3.1, relations 1.2.1, relations 6.1
development act » development a, development aid, development age
make relations » race relations, making relations, trade relations
6.3.1 crisis » 2.3.1 crisis, 6.3.2 crisis, 6.3.1 cross
costs system » forts system, lists system, points system
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 make relations 6.3.1 crisis pt communication costs system development act aortic.*.