Perhaps you should try some spelling variations:
et communication » et communicatione, get communication, debt communication
development age » development stage, development a, development aid
technology 3.2 » technology 2.2, technology 3.1, technology 2
3.2 relation » 3.2 correlation, 3.2 relationship
relation 6.3 » relations 6.3, relation 4.3, relation 5.3
6.3 crisis » 8.3 crisis, 6.3.2 crisis, 13.3 crisis
age aortic » acute aortic, after aortic
crisis et » crisis el, crisis en, crisis eu
costs 2 » costs 20, costs _, costs 4

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

• Adding a wildcard symbol may retrieve word variants: technology 3.2 relation 6.3 crisis et communication costs 2 development age aortic.*.