Perhaps you should try some spelling variations:
modern communications » modern communication, modern communicators, border communications
communications costs » communication costs, communications _
urban development » human development
development after » developments after, development master, development matter
technology set » technology sector, technology 1, technology 2.2
set relations » et relations, des relations, eu relations
relations war » relations what, relations a, relations why
crises modern » crises model, crises models, crisis model
costs urban » cost urban, across urban, crisis urban
war crises » war crimes, water crises, what crises
after a » after _

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

• Adding a wildcard symbol may retrieve word variants: technology set relations war crises modern communications costs urban development after a.*.