Perhaps you should try some spelling variations:
multimedia processing » multi processing (Expand search), multirate processing (Expand search), multiuser processing (Expand search)
decrease rate » decreased rate (Expand search), decreases rate (Expand search), decrease at (Expand search)
rate database » care database (Expand search), face database (Expand search), curated database (Expand search)
decrease toc » decrease of (Expand search), decrease the (Expand search), decreased to (Expand search)
toc decrease » to decrease (Expand search), the decrease (Expand search), not decrease (Expand search)
in decrease » in decreased (Expand search), on decrease (Expand search), pain decrease (Expand search)

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

• Removing quotes may allow a broader search: (( decrease rate database multimedia processing ) OR ( decrease in decrease toc decrease ))~.