Perhaps you should try some spelling variations:
decreased within » decreased with (Expand search), decreases with (Expand search), decrease with (Expand search)
within progenies » sibling progenies (Expand search), in progenies (Expand search), their progenies (Expand search)
decrease during » increase during (Expand search), increases during (Expand search), increased during (Expand search)
during decrease » during increased (Expand search), during depressed (Expand search), during disease (Expand search)
decrease rate » decreased rate (Expand search), decreases rate (Expand search), decrease at (Expand search)
rate decrease » rats decreases (Expand search), rate increase (Expand search), to decrease (Expand search)
on decreased » in decreased (Expand search), of decreased (Expand search), on deceased (Expand search)
decrease on » decrease in (Expand search), decrease of (Expand search), decrease or (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 on decreased within progenies ) OR ( decrease rate decrease during decrease ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease on decreased within progenies ) OR ( decrease rate decrease during decrease ))*.