Perhaps you should try some spelling variations:
communication 3.6.3 » communication 2.6.3, communication 3.2.3, communication 3.3
technology ethnic » technology ethical, technology economic, technology extends
development acute » development act, development route, development age
ethnic relations » economic relations, public relations
3 communication » 4 communication, de communication, data communication
3.6.3 career » 11.3.3 career, 12.6.4 career, 3.2 career
acute aortic » after aortic
relations 2 » relations _, relations a, relations 3
2 policy » 4 policy
policy 3 » policy 1

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

• Adding a wildcard symbol may retrieve word variants: technology ethnic relations 2 policy 3 communication 3.6.3 career development acute aortic.*.