Perhaps you should try some spelling variations:
human decrease » human deceased (Expand search), human increase (Expand search), human disease (Expand search)
decrease cells » decrease cell (Expand search), decreases cell (Expand search), decrease costs (Expand search)
cells decrease » cells decreases (Expand search), cells increase (Expand search), cells increases (Expand search)
decrease yield » decreases yield (Expand search), increase yield (Expand search), increases yield (Expand search)
yield pattern » yield after (Expand search), yield water (Expand search), yield protein (Expand search)
decrease akt » decrease at (Expand search), decrease and (Expand search), decrease after (Expand search)
akt disease » at disease (Expand search), rot disease (Expand search), not disease (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 akt disease human decrease ) OR ( decrease cells decrease yield pattern ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease akt disease human decrease ) OR ( decrease cells decrease yield pattern ))*.