Perhaps you should try some spelling variations:
communication policy » telecommunication policy, telecommunications policy, communication protocol
part communication » parte communication, post communication, put communication
development age » development stage, development a, development aid
relations 3.2 » relations 3.1, relations 2, relations 2.1
policy system » political system
technology 1 » technology _
1 relations » 3 relations, a relations, 1.2 relations
crisis part » crisis pt, crisis phase
3.2 crisis » 13.2 crisis, 3.1 crisis, 2.2 crisis
age aortic » acute aortic, after aortic

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

• Adding a wildcard symbol may retrieve word variants: technology 1 relations 3.2 crisis part communication policy system development age aortic.*.