Perhaps you should try some spelling variations:
development acute » development act, development route, development age
de communication » mobile communication, online communication
technology 3.2 » technology 2.2, technology 3.1, technology 2
3.2 relation » 3.2 correlation, 3.2 relationship
costs sector » ports sector, cost vector, dots sector
acute aortic » after aortic
relation a » relation _, relational _, relation zur
crisis de » crisis del, crisis due, crisis debt
a crisis » 19 crisis

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 a crisis de communication costs sector development acute aortic.*.