Perhaps you should try some spelling variations:
factor development » factors development, sector development, actors development
open communication » human communication, 3 communication, 4 communication
communication std » communication study, communication set, communication sur
development act » development a, development aid, development age
relations 2.4 » relations 2.1, relations 2.5, relations 3.4
technology 3 » technology _, technology 1, technology 4
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
std factor » std vector, seed factors
act aortic » acute aortic, after aortic

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 std factor development act aortic.*.