Perhaps you should try some spelling variations:
"united national / security council" » "unified national / security council", "united nation's / security council", "united nation / security council"
"unified spatial / security council" » "unifying spatial / security council", "unified social / security council", "unified national / 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 ("united nations / security council"))) OR ("unified spatial / security council")).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"united national / security council\") OR (\"united nations / security council\"))) or (\"unified spatial / security council\"))".
• Removing quotes may allow a broader search: (((( united national / security council ) OR ( united nations / security council ))) or ( unified spatial / security council )).
• Adding a wildcard symbol may retrieve word variants: (((("united national / security council") OR ("united nations / security council"))) or ("unified spatial / security council"))*.