Perhaps you should try some spelling variations:
communication das » communication dans, communication des, communication data
development acute » development act, development route, development age
1 communication » 10 communication, 3 communication, 4 communication
creation 3.2 » creation 4.2, creation 3.1, creation 3.4
acute aortic » after aortic
3.2 crisis » 13.2 crisis, 3.1 crisis, 2.2 crisis
das system » bus system
crisis 1 » crisis _, crisis a

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

• Adding a wildcard symbol may retrieve word variants: technology _ creation 3.2 crisis 1 communication das system development acute aortic.*.