Perhaps you should try some spelling variations:
public developments » public development, republic development, policy developments
put communication » post communication, et communication, get communication
technology trade » technology trends, technology transfer, technology transfers
trade relations » trade regulation
communication 3 » communication _, communication a
relations 1 » relations _, relations a, relations 3
crisis put » crisis pt, crisis part, crisis past
1 crisis » 19 crisis
3 public » 2 public, 1 public

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

• Adding a wildcard symbol may retrieve word variants: technology trade relations 1 crisis put communication 3 public developments _ aortic.*.