Perhaps you should try some spelling variations:
"united national / security council" » "unified national / security council", "united nations / security council", "united nation's / security council"
"unified social / security council" » "unified spatial / security council"

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (("united national / security council") OR ("unified social / security council")).
• Removing quotes may allow a broader search: (( united national / security council ) or ( unified social / security council )).
• Adding a wildcard symbol may retrieve word variants: (("united national / security council") or ("unified social / security council"))*.