Perhaps you should try some spelling variations:
development pattern » development patterns, development matters, developmental patterns
communication cost » communication costs, communication costa, communications costs
technology state » technology strategy, technology system, technology study
eu communication » ec communication, et communication, de communication
open development » clean development, driven development, human development
state relations » state regulation, trade relations, race relations
pattern arrival » after arrival
relations 5 » relations _, relations a, relations 3
crisis eu » crisis el, crises eu, crisis en
cost open » post open
5 crisis » 1 crisis, 3 crisis, 4 crisis

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

• Adding a wildcard symbol may retrieve word variants: technology state relations 5 crisis eu communication cost open development pattern arrival.*.