Perhaps you should try some spelling variations:
"learning intelligent surveillance camera" » "learning intelligent surface camera", "using intelligent surveillance camera", "learning intelligent surveillance chapter", "learning intelligent surveillance after"
"designing intelligent surveillance court" » "designing intelligent surface court", "mining intelligent surveillance court", "developing intelligent surveillance court", "using intelligent surveillance court", "designing intelligent surveillance covert", "designing intelligent surveillance art", "designing intelligent surveillance control"
"decision intelligence surveillance over" » "vision intelligent surveillance over", "decision intelligence surveillance after", "decision intelligence surveillance avss", "decision intelligence surveillance based"

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: (((("learning intelligent surveillance camera") OR ("designing intelligent surveillance court"))) OR ("decision intelligence surveillance over")).
• Removing quotes may allow a broader search: (((( learning intelligent surveillance camera ) or ( designing intelligent surveillance court ))) or ( decision intelligence surveillance over )).
• Adding a wildcard symbol may retrieve word variants: (((("learning intelligent surveillance camera") or ("designing intelligent surveillance court"))) or ("decision intelligence surveillance over"))*.