Perhaps you should try some spelling variations:
decrease flooding » decrease following (Expand search), decrease lodging (Expand search), decrease food (Expand search)
flooding objects » floating objects (Expand search), flying objects (Expand search), flooding effects (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 can » decrease and (Expand search), decrease at (Expand search), decrease on (Expand search)
can decrease » and decrease (Expand search), can increase (Expand search), to 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 can decrease flooding objects ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease during decrease in decrease ) OR ( decrease can decrease flooding objects ))*.