Perhaps you should try some spelling variations:
linear decrease » linear increase (Expand Search)
marked decrease » marked increase (Expand Search)
laser decrease » larger decrease (Expand Search), water decreases (Expand Search), teer decrease (Expand Search)
a linear » _ linear (Expand Search)
a marked » _ marked (Expand Search), a marker (Expand Search), a market (Expand Search)
a laser » _ laser (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: "(((( a linear decrease ) OR ( a laser decrease ))) OR ( a marked decrease ))~".
• Adding a wildcard symbol may retrieve word variants: (((( a linear decrease ) OR ( a laser decrease ))) OR ( a marked decrease ))*.