Perhaps you should try some spelling variations:
decrease flowing » decrease following (Expand search), decrease flooding (Expand search), decrease owing (Expand search)
decrease that » decrease the (Expand search), decrease at (Expand search), decrees that (Expand search)
that decrease » that increase (Expand search), that increases (Expand search), not decrease (Expand search)
flowing water » flowing waters (Expand search), following water (Expand search), inflowing water (Expand search)
decrease any » decrease and (Expand search), decreases and (Expand search), decreased and (Expand search)
any decrease » and decrease (Expand search), can decrease (Expand search), may decrease (Expand search)
decrease of » decrease in (Expand search)
of decrease » or decrease (Expand search), not decrease (Expand search), to 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 any decrease that decrease ) OR ( decrease of decrease flowing water ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease any decrease that decrease ) OR ( decrease of decrease flowing water ))*.