Perhaps you should try some spelling variations:
decrease invariant » decreases ovarian (Expand search), decreased ovarian (Expand search)
invariant objects » invariant sets (Expand search), invariant moments (Expand search), invariant tests (Expand search)
decrease owing » decrease lodging (Expand search), decrease during (Expand search), decrease in (Expand search)
owing decrease » taping decrease (Expand search), will decrease (Expand search), skins decrease (Expand search)
decrease with » decreases with (Expand search), increase with (Expand search), decrease in (Expand search)
with decrease » with decreased (Expand search), with deceased (Expand search), with increase (Expand search)
decrease to » decreased to (Expand search), decrease toc (Expand search), decrease the (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 with decrease owing decrease ) OR ( decrease to decrease invariant objects ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease with decrease owing decrease ) OR ( decrease to decrease invariant objects ))*.