Perhaps you should try some spelling variations:
decrease flooding » decrease following (Expand search), decrease lodging (Expand search), decrease food (Expand search)
during depressed » during depressive (Expand search), during repressive (Expand search), feeling depressed (Expand search)
decrease during » increase during (Expand search), increases during (Expand search), increased during (Expand search)
decrease their » decrease the (Expand search), increase their (Expand search), decreases the (Expand search)
their decrease » the decrease (Expand search), their disease (Expand search), the decreased (Expand search)
flooding using » floorings using (Expand search), flooding during (Expand search), loading using (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 their decrease flooding using ) OR ( decrease in decrease during depressed ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease their decrease flooding using ) OR ( decrease in decrease during depressed ))*.