Perhaps you should try some spelling variations:
case communication » based communication, scale communication, face communication
development after » developments after, development master, development matter
relations 3.1 » relations 2.1, relations 1, relations _
technology 3 » technology _, technology 1, technology 4
costs career » costs chapter, costs case, costs clear
after aortic » after abortion, acute aortic, after art
3 relations » et relations, des relations
crises case » crises east
3.1 crises » 3.1 crisis, 2.1 crisis, 3.1 cross

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

• Adding a wildcard symbol may retrieve word variants: technology 3 relations 3.1 crises case communication costs career development after aortic.*.