Perhaps you should try some spelling variations:
decrease looping » decrease flooding (Expand search), decrease lodging (Expand search), decrease owing (Expand search)
looping effect » looping effects (Expand search), flooding effect (Expand search), doping effect (Expand search)
flow decrease » flow increase (Expand search), to decrease (Expand search), not decrease (Expand search)
decrease flow » decreases flow (Expand search), decrease low (Expand search), decrease food (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 in decrease can decrease ) OR ( decrease flow decrease looping effect ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease in decrease can decrease ) OR ( decrease flow decrease looping effect ))*.