Perhaps you should try some spelling variations:
private development » privacy development, private developers, promote development
development center » development case
technology eu » technology e, technology e.g, technology end
relations 1.1 » relations 2.1, relations 3.1, relations 5.1
costs private » cost private, losses private, bonds private
eu relations » et relations, u relations, eu regulations
center hard » center harc, center based
1.1 crisis » 11 crisis, 2.1 crisis, 3.1 crisis

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

• Adding a wildcard symbol may retrieve word variants: technology eu relations 1.1 crisis _ communication costs private development center hard.*.