Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
put communication » post communication, et communication, get communication
data development » delta development, doha development, data envelopment
development case » development china
technology cost » technology case, technology can, technology choice
cost relations » east relations, post regulations, cost reductions
relations 2011 » relations 2.1, relations 1.11, relations 10.1
2011 crisis » 2010 crisis, 11 crisis, 2.1 crisis
case aortic » acute aortic
crisis put » crisis pt, crisis part, crisis past
cost data » test data

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

• Adding a wildcard symbol may retrieve word variants: technology cost relations 2011 crisis put communication cost data development case aortic.*.