Perhaps you should try some spelling variations:
communication policy » telecommunication policy, telecommunications policy, communication protocol
part communication » parte communication, post communication, put communication
relations 7.4.2 » relations 3.2, relations 4.3
development age » development stage, development a, development aid
policy system » political system
technology 1 » technology _
1 relations » 3 relations, a relations, 1.2 relations
7.4.2 cross » 4.4.2 cross, 6.4.2 cross, 7.4.1 cross
cross part » across party, class part, process part
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 7.4.2 cross part communication policy system development age aortic.*.