Perhaps you should try some spelling variations:
increases learning » increases bleaching (Expand search), increasing learning (Expand search), increased weaning (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)
akt increases » and increases (Expand search), but increases (Expand search), ai increases (Expand search)
decrease may » decrease at (Expand search), decrease by (Expand search), decrease human (Expand search)
may decrease » may increase (Expand search), can decrease (Expand search), to decrease (Expand search)
decrease akt » decrease at (Expand search), decrease and (Expand search), decrease after (Expand search)
objects » object (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 may decrease life decrease ) OR ( decrease akt increases learning objects ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease may decrease life decrease ) OR ( decrease akt increases learning objects ))*.