Perhaps you should try some spelling variations:
decrease flooding » decrease following (Expand search), decrease lodging (Expand search), decrease owing (Expand search)
flooding pattern » flooding patterns (Expand search), loading pattern (Expand search), folding pattern (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 food » decreases food (Expand search), increase food (Expand search), decreases blood (Expand search)
food decrease » food decreases (Expand search), foods decreases (Expand search), flow 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.

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