Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
vector development » sector development, sector developments, factor development
eu communications » eu communication, peru communications, les communications
relation 6.3.2 » relation 3.3.2, relation 5.3.2, relations 6.3.1
technology 4 » technology _, technology 1, technology 3
6.3.2 crisis » 13.2 crisis, 2.2.2 crisis, 2.3.1 crisis
costs vector » cost vector, basis vector, class vector
4 relation » _ relation, 5 relation, 2 relation
crisis eu » crisis el, crises eu, crisis en
a aortic » _ aortic, _ artic

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

• Adding a wildcard symbol may retrieve word variants: technology 4 relation 6.3.2 crisis eu communications costs vector development a aortic.*.