Perhaps you should try some spelling variations:
communication costa » communication costs, communications costs, communication cote
technology choice » technology change
choice relations » choice religion, choice situations, choice questions
eu communication » ec communication, et communication, de communication
development aid » development a, development africa, development agenda
relations 1.2 » relations 3.2, relations 1.1, relations 5.2
costa career » postwar career, costa carlos, costa carla
1.2 crisis » 10.2 crisis, 13.2 crisis, 15.2 crisis
crisis eu » crisis el, crises eu, crisis en

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

• Adding a wildcard symbol may retrieve word variants: technology choice relations 1.2 crisis eu communication costa career development aid aortic.*.