Perhaps you should try some spelling variations:
decrease leaming » decreases weaning (Expand search), decreases healing (Expand search), decrease lodging (Expand search)
during decrease » during increased (Expand search), during depressed (Expand search), during disease (Expand search)
leaming objects » learning objects (Expand search), naming objects (Expand search), teaching objects (Expand search)
decrease life » decrease liver (Expand search), increase life (Expand search), decreases liver (Expand search)
life decrease » life decreases (Expand search), life decreased (Expand search), life increase (Expand search)
decrease not » decrease of (Expand search), decrease akt (Expand search), decrease at (Expand search)
not decrease » to decrease (Expand search), not increase (Expand search), and 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: (( increase during decrease NOT decrease ) OR ( decrease life decrease leaming objects ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( increase during decrease not decrease ) OR ( decrease life decrease leaming objects ))~".
• Adding a wildcard symbol may retrieve word variants: (( increase during decrease not decrease ) OR ( decrease life decrease leaming objects ))*.