Perhaps you should try some spelling variations:
factor development » factors development, sector development, actors development
communication std » communication study, communication set, communication sur
one communication » une communication, prone communication, ante communication
development age » development stage, development a, development aid
technology 3 » technology _, technology 1, technology 4
relations 22 » relations 2.2, relations 2, relations 20
3 relations » et relations, des relations
crisis one » crisis onset, crisis over, crisis oil
std factor » std vector, seed factors
age aortic » acute aortic, after aortic
22 crisis » 2.2 crisis, 2 crisis, 12 crisis

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

• Adding a wildcard symbol may retrieve word variants: technology 3 relations 22 crisis one communication std factor development age aortic.*.