Perhaps you should try some spelling variations:
communication cross » communication costs
technology class » technology glass, technology case, technology cross
class relations » les relations, class recreation
3 communication » 4 communication, de communication, data communication
relations 1.3 » relations 10.3, relations 14.3, relations 6.3
cross sector » across sectors, cross sectoral, cross section
1.3 crisis » 13.3 crisis, 1.1 crisis, 13 crisis
crisis 3 » crisis _, crisis a, crisis 1

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

• Adding a wildcard symbol may retrieve word variants: technology class relations 1.3 crisis 3 communication cross sector development fund aortic.*.