Perhaps you should try some spelling variations:
vector development » sector development, sector developments, factor development
communication cost » communication costs, communication costa, communications costs
de communication » mobile communication, online communication
relations 6.3.2 » relations 6.3.1, relations 2.3.2, relations 3.3.2
technology 4 » technology _, technology 1, technology 3
6.3.2 crisis » 13.2 crisis, 2.2.2 crisis, 2.3.1 crisis
4 relations » 3 relations, 4 relation, 1 relations
cost vector » class vector, reset vector, short vector
crisis de » crisis del, crisis due, crisis debt
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 relations 6.3.2 crisis de communication cost vector development a aortic.*.