Perhaps you should try some spelling variations:
multirate processing » multi processing (Expand search), multiuser processing (Expand search), multimedia processing (Expand search)
decrease multirate » decrease intimate (Expand search)
decrease during » increase during (Expand search), increases during (Expand search), increased during (Expand search)
during decrease » during increased (Expand search), during depressed (Expand search), during disease (Expand search)
decrease or » decrease of (Expand search), decrease on (Expand search), decrease pro (Expand search)
or decrease » not decrease (Expand search), to decrease (Expand search), and decrease (Expand search)

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: (( decrease OR decrease multirate processing ) OR ( decrease _ decrease during decrease ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( decrease or decrease multirate processing ) OR ( decrease _ decrease during decrease ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease or decrease multirate processing ) OR ( decrease _ decrease during decrease ))*.