Perhaps you should try some spelling variations:
urban development » human development
en communication » open communication, lean communication, when communication
relations 3 » relations _, relations a
costs urban » cost urban, across urban, crisis urban
crisis en » crisis el, crisis eu, crisis _
3 crisis » 1 crisis, 19 crisis
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 _ relations 3 crisis en communication costs urban development a aortic.*.