Perhaps you should try some spelling variations:
lipid decrease » rapid decrease (Expand search), ligand decrease (Expand search), limb decrease (Expand search)
decrease lipid » increases lipid (Expand search), increased lipid (Expand search)
oily effluents » dairy effluents (Expand search), of effluents (Expand search), in effluents (Expand search)
decrease oily » decrease il (Expand search), decrease milk (Expand search), decreases soil (Expand search)
decrease the » decreases the (Expand search), decrease of (Expand search)
the decrease » to decrease (Expand search), and 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 the decrease in decrease ) OR ( decrease lipid decrease oily effluents ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease the decrease in decrease ) OR ( decrease lipid decrease oily effluents ))*.