Perhaps you should try some spelling variations:
"designing intelligent surveillance over" » "designing intelligent surface over", "learning intelligent surveillance over", "mining intelligent surveillance over", "developing intelligent surveillance over", "designing intelligent surveillance after", "designing intelligent surveillance avss", "designing intelligent surveillance camera"
"decision intelligence surveillance covert" » "vision intelligent surveillance covert", "decision intelligence surveillance court", "decision intelligence surveillance camera", "decision intelligence surveillance cameras"
"design intelligence surveillance over" » "design intelligent surveillance over", "foreign intelligence surveillance over", "design intelligence surveillance after", "design intelligence surveillance avss", "design intelligence surveillance camera"

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: (((("design intelligence surveillance over") OR ("designing intelligent surveillance over"))) OR ("decision intelligence surveillance covert")).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"design intelligence surveillance over\") OR (\"designing intelligent surveillance over\"))) or (\"decision intelligence surveillance covert\"))".
• Removing quotes may allow a broader search: (((( design intelligence surveillance over ) OR ( designing intelligent surveillance over ))) or ( decision intelligence surveillance covert )).
• Adding a wildcard symbol may retrieve word variants: (((("design intelligence surveillance over") OR ("designing intelligent surveillance over"))) or ("decision intelligence surveillance covert"))*.