Perhaps you should try some spelling variations:
vector development » sector development, sector developments, factor development
open communication » human communication, 3 communication, 4 communication
communication sur » communication set, communication study, communication sarka
development acute » development act, development route, development age
relations 2.4 » relations 2.1, relations 2.5, relations 3.4
technology 3 » technology _, technology 1, technology 4
acute aortic » after aortic
3 relations » et relations, des relations
crisis open » crisis one, crisis over, crisis onset
2.4 crisis » 2.1 crisis, 2.2 crisis, 2.5 crisis
sur vector » user vector, std vector, var vector

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

• Adding a wildcard symbol may retrieve word variants: technology 3 relations 2.4 crisis open communication sur vector development acute aortic.*.