Perhaps you should try some spelling variations:
decreases disease » diseases disease (Expand search), decreases adipose (Expand search), decreases breast (Expand search)
fear professors » years professors (Expand search), female professors (Expand search), full professors (Expand search)
decrease fear » decreased fear (Expand search), decrease fetal (Expand search), decreased heart (Expand search)
in decreases » in decreased (Expand search), and decreases (Expand search), ivm decreases (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 _ decrease fear professors ) OR ( decrease in decreases disease after ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease _ decrease fear professors ) OR ( decrease in decreases disease after ))*.