Perhaps you should try some spelling variations:
communication barriers » communication series, communication disorders
development acute » development act, development route, development age
de communication » mobile communication, online communication
cost development » cost developments, post development, port development
barriers cost » barriers posed, barriers vs, barriers work
technology 3 » technology _, technology 1, technology 4
relations 20 » relations 2, relations 21, relations 2.1
acute aortic » after aortic
3 relations » et relations, des relations
20 crisis » 2 crisis, 10 crisis, 22 crisis
crisis de » crisis del, crisis due, crisis debt

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

• Adding a wildcard symbol may retrieve word variants: technology 3 relations 20 crisis de communication barriers cost development acute aortic.*.