Perhaps you should try some spelling variations:
decrease breast » decreases breast (Expand search), increase breast (Expand search), increased breast (Expand search)
breast abscess » brain abscess (Expand search)
based battery » based pattern (Expand search), based batteries (Expand search), acid battery (Expand search)
python based » action based (Expand search)
decrease or » decrease of (Expand search), decrease on (Expand search), decrease in (Expand search)
or decrease » not decrease (Expand search), to decrease (Expand search), _ 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 OR decrease breast abscess ) OR ( python based battery python programming ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( decrease or decrease breast abscess ) OR ( python based battery python programming ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease or decrease breast abscess ) OR ( python based battery python programming ))*.