Perhaps you should try some spelling variations:
de communication » mobile communication, online communication
case development » care development, based development, scale development
development anti » development act, development ai, development anew
relations 6.3.1 » relations 3.1, relations 1.2.1, relations 6.1
technology les » technology led, technology lays, technology lead
les relations » rules regulations
6.3.1 crisis » 2.3.1 crisis, 6.3.2 crisis, 6.3.1 cross
costs case » costs cash
crisis de » crisis del, crisis due, crisis debt

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

• Adding a wildcard symbol may retrieve word variants: technology les relations 6.3.1 crisis de communication costs case development anti abortion.*.