Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
vector development » sector development, sector developments, factor development
development acute » development act, development route, development age
2 communications » 2 communication, 3 communications, 4 communications
regulations 11 » regulation 11, regulations 1, regulations 4.1
1 regulations » 1 regulation, 2 regulations, 4 regulations
technology 1 » technology _
costs vector » cost vector, basis vector, class vector
acute aortic » after aortic
11 crisis » 19 crisis, 1 crisis, 3 crisis
crisis 2 » crisis _, crisis a, crisis 1

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

• Adding a wildcard symbol may retrieve word variants: technology 1 regulations 11 crisis 2 communications costs vector development acute aortic.*.