Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
el communication » cell communication, real communication, 3 communication
relations 6.3.2 » relations 6.3.1, relations 2.3.2, relations 3.3.2
developments a » developments _, developments 4, developments 3
technology 3 » technology _, technology 1, technology 4
6.3.2 crisis » 13.2 crisis, 2.2.2 crisis, 2.3.1 crisis
3 relations » et relations, des relations
cost recent » most recent, modest recent, about recent
crisis el » crisis _, crisis a, crisis 1
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 3 relations 6.3.2 crisis el communication cost recent developments a aortic.*.