Perhaps you should try some spelling variations:
communication across » communication cross, communicating across, communication about
technology ethnic » technology ethical, technology economic, technology extends
urban development » human development
ethnic relations » economic relations, public relations
pt communication » put communication, et communication, post communication
across urban » address urban
relations 3 » relations _, relations a
crisis pt » crisis _, crisis a
3 crisis » 1 crisis, 19 crisis

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

• Adding a wildcard symbol may retrieve word variants: technology ethnic relations 3 crisis pt communication across urban development _ artic.*.