Perhaps you should try some spelling variations:
concept development » content development, conceptual development, conflict development
communication case » communications case, communication based, communication phase
de communication » mobile communication, online communication
development act » development a, development aid, development age
relations 2011 » relations 2.1, relations 1.11, relations 10.1
case concept » care concept, core concept, ca concept
2011 crisis » 2010 crisis, 11 crisis, 2.1 crisis
act aortic » acute aortic, after aortic
crisis de » crisis del, crisis due, crisis debt

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

• Adding a wildcard symbol may retrieve word variants: technology _ relations 2011 crisis de communication case concept development act aortic.*.