Perhaps you should try some spelling variations:
"apoptotic volume decrease" » "apoptosis volume decrease" (Expand Search), "apoptotic volume increase" (Expand Search)
"apoptotic late decrease" » "apoptosis late decrease" (Expand Search), "apoptotic late increase" (Expand Search), "apoptotic later decrease" (Expand Search), "apoptotic rate decrease" (Expand Search), "apoptotic date decrease" (Expand Search)
"diastolic volume decrease" » "diastolic volume increase" (Expand Search)

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("apoptotic volume decrease") OR ("apoptotic late decrease"))) OR ("diastolic volume decrease"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"apoptotic volume decrease\") OR (\"apoptotic late decrease\"))) OR (\"diastolic volume decrease\"))".
• Removing quotes may allow a broader search: (((( apoptotic volume decrease ) OR ( apoptotic late decrease ))) OR ( diastolic volume decrease )).
• Adding a wildcard symbol may retrieve word variants: (((("apoptotic volume decrease") OR ("apoptotic late decrease"))) OR ("diastolic volume decrease"))*.