Perhaps you should try some spelling variations:
factors development » actors development, factor development, fractures development
communication seed » communication needs, communication set, communication series
development act » development a, development aid, development age
relations 2.1 » relations 3.1, relations 1, relations _
technology 3 » technology _, technology 1, technology 4
crisis human » crisis roman, crisis can, crisis has
seed factors » sex factors, fixed factors, load factors
3 relations » et relations, des relations
2.1 crisis » 3.1 crisis, 2010 crisis, 2011 crisis
act 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 3 relations 2.1 crisis human communication seed factors development act aortic.*.