Perhaps you should try some spelling variations:
decreases yield » increases yield (Expand search), decreases cell (Expand search), decreases il (Expand search)
skins decreases » skins decrease (Expand search), seeds decreases (Expand search), walking decreases (Expand search)
decrease skins » decrease in (Expand search), increase skin (Expand search), decrease owing (Expand search)
yield pattern » yield after (Expand search), yield water (Expand search), yield protein (Expand search)
decrease toc » decrease of (Expand search), decrease the (Expand search), decreased to (Expand search)
toc decrease » to decrease (Expand search), the decrease (Expand search), not decrease (Expand search)
decrease or » decrease of (Expand search), decrease pro (Expand search), decrease in (Expand search)
or decrease » of decrease (Expand search), not decrease (Expand search), to decrease (Expand search)

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: (( decrease toc decrease OR decrease ) OR ( decrease skins decreases yield pattern ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( decrease toc decrease or decrease ) OR ( decrease skins decreases yield pattern ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease toc decrease or decrease ) OR ( decrease skins decreases yield pattern ))*.