Perhaps you should try some spelling variations:
communication formal » communication thermal, communication burma, communications forms
pt communication » put communication, et communication, post communication
development case » development china
relations 1.2 » relations 3.2, relations 1.1, relations 5.2
formal system » fiscal system
technology 3 » technology _, technology 1, technology 4
3 relations » et relations, des relations
case aortic » acute aortic
1.2 crisis » 10.2 crisis, 13.2 crisis, 15.2 crisis
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 3 relations 1.2 crisis pt communication formal system development case aortic.*.