Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
past communication » post communication, put communication, master communication
vector development » sector development, sector developments, factor development
development matter » development matters, development master, development pattern
regulation 3.4 » regulation 4, regulation 6.3, regulation _
technology 1 » technology _
1 regulation » 10 regulation, 15 regulation, 11 regulation
crisis past » crisis part, crisis east, crisis post
cost vector » class vector, reset vector, short vector
3.4 crisis » 3.1 crisis, 3.2 crisis, 3.5.4 crisis
matter a » matter _

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

• Adding a wildcard symbol may retrieve word variants: technology 1 regulation 3.4 crisis past communication cost vector development matter a.*.