Perhaps you should try some spelling variations:
"driven intelligent surveillance control" » "driven intelligence surveillance control", "driven intelligent surface control", "driven intelligent surveillance clinical", "driven intelligent surveillance camera", "driven intelligent surveillance cameras", "design intelligent surveillance control"
"driven intelligent surveillance covert" » "driven intelligence surveillance covert", "driven intelligent surface covert", "driven intelligent surveillance over", "driven intelligent surveillance court", "driven intelligent surveillance camera", "design intelligent surveillance covert"

Try widening your search to All Fields.

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: (("driven intelligent surveillance control") OR ("driven intelligent surveillance covert")).
• Removing quotes may allow a broader search: (( driven intelligent surveillance control ) or ( driven intelligent surveillance covert )).
• Adding a wildcard symbol may retrieve word variants: (("driven intelligent surveillance control") or ("driven intelligent surveillance covert"))*.