Perhaps you should try some spelling variations:
disease processes » disease process (Expand search), disease progress (Expand search), these processes (Expand search)
decrease disease » decreases disease (Expand search), increase disease (Expand search), increased disease (Expand search)
decrease caries » decreased cardiac (Expand search), decreases cardiac (Expand search), decreased calorie (Expand search)
caries affected » are affected (Expand search), patients affected (Expand search)
decrease and » decreases and (Expand search), decrease in (Expand search), decrease of (Expand search)
and decrease » and decreases (Expand search), and decreased (Expand search), and increase (Expand search)
decrease on » decrease in (Expand search), decrease of (Expand search), decrease or (Expand search)
on decrease » on decreased (Expand search), of decrease (Expand search), or decrease (Expand search)

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (( decrease AND decrease disease processes ) OR ( decrease on decrease caries affected ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( decrease and decrease disease processes ) OR ( decrease on decrease caries affected ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease and decrease disease processes ) OR ( decrease on decrease caries affected ))*.