Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
aided communications » wired communications, speed communications, guinea communications
char development » car development, chad development, chain development
technology 3 » technology _, technology 1, technology 4
crisis aided » crisis avoided, crisis aged, crisis after
3 relations » et relations, des relations
relations 3 » relations _, relations a
costs char » costs chap, costs clear, costs ch
3 crisis » 1 crisis, 19 crisis

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

• Adding a wildcard symbol may retrieve word variants: technology 3 relations 3 crisis aided communications costs char development _ aortic.*.