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
en communication » open communication, lean communication, when communication
development aid » development a, development africa, development agenda
relations 1.1 » relations 2.1, relations 3.1, relations 5.1
costa career » postwar career, costa carlos, costa carla
1.1 crisis » 11 crisis, 2.1 crisis, 3.1 crisis
crisis en » crisis el, crisis eu, crisis _

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

• Adding a wildcard symbol may retrieve word variants: technology choice relations 1.1 crisis en communication costa career development aid aortic.*.