Perhaps you should try some spelling variations:
foreign intelligence » information intelligence
design intelligence » design intelligent, decision intelligence, designing intelligent
surveillance covert » surveillance over, surveillance court, surveillance camera

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "((design intelligence) OR (foreign intelligence)) surveillance covert".
• Adding a wildcard symbol may retrieve word variants: ((design intelligence) OR (foreign intelligence)) surveillance covert*.