Perhaps you should try some spelling variations:
communication 4.1 » communication 4.3, communication 7.1, communication 1
de communication » mobile communication, online communication
case employment » based employment, wage employment, age employment
transition 2.1 » transition 2.3, transition 4.1, transition 2.2
technology 1 » technology _
1 transition » 10 transition, 19 transition, 2 transition
2.1 crisis » 3.1 crisis, 2010 crisis, 2011 crisis
patterns 3 » patterns _, patterns 1, patterns 5
crisis de » crisis del, crisis due, crisis debt
4.1 case » 3.1 case

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

• Adding a wildcard symbol may retrieve word variants: technology 1 transition 2.1 crisis de communication 4.1 case employment patterns 3.*.