Perhaps you should try some spelling variations:
communication across » communication cross, communicating across, communication about
past communication » post communication, put communication, master communication
regulation 3.4 » regulation 4, regulation 6.3, regulation _
technology 10 » technology 110, technology 1, technology 11
10 regulation » 15 regulation, de regulation, 2 regulation
crisis past » crisis part, crisis east, crisis post
3.4 crisis » 3.1 crisis, 3.2 crisis, 3.5.4 crisis
across a » across _, across all
a aortic » _ aortic, _ artic

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

• Adding a wildcard symbol may retrieve word variants: technology 10 regulation 3.4 crisis past communication across a development a aortic.*.