Perhaps you should try some spelling variations:
defense processes » defense process (Expand search), decrease processes (Expand search), disease processes (Expand search)
decrease defense » defense defense (Expand search), decrease release (Expand search), decreases disease (Expand search)
shell decrease » help decrease (Expand search), sheep decreases (Expand search), the decrease (Expand search)
closed shell » closed cell (Expand search)
python based » action based (Expand search)
based pitons » based peptones (Expand search), based epitope (Expand search), based tectons (Expand search)

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

• Removing quotes may allow a broader search: (( closed shell decrease defense processes ) OR ( python based pitons python programming ))~.