Perhaps you should try some spelling variations:
regulation 5.3.2 » regulation 5.3.1, regulations 4.3.2, regulation 1.3.3
1 communication » 10 communication, 3 communication, 4 communication
technology 5 » technology _, technology 1, technology 3
5 regulation » 2 regulation, de regulation, co regulation
costs career » costs chapter, costs case, costs clear
index action » index option, index options, index author
5.3.2 cross » 3.3.2 cross, 5.3.4 cross, 8.3.2 cross
cross 1 » cross _, cross c

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

• Adding a wildcard symbol may retrieve word variants: technology 5 regulation 5.3.2 cross 1 communication costs career development index action.*.