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 3.1 » transition 3.2, transition 4.1, transition 2.1
technology a » technology 1, technology 3, technology 4
3.1 crisis » 2.1 crisis, 3 crisis, 11 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 a transition 3.1 crisis de communication 4.1 case employment patterns 3.*.