Perhaps you should try some spelling variations:
decrease severity » decreases severity (Expand search), increased severity (Expand search), disease severity (Expand search)
severity problems » leverett problems (Expand search), poverty problems (Expand search), security problem (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)
python code » python coding (Expand search), python redes (Expand search)
code java » codes java (Expand search), xcode java (Expand search), ide java (Expand search)

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

• Removing quotes may allow a broader search: (( decrease and decrease severity problems ) OR ( python code java python programming ))~.