Perhaps you should try some spelling variations:
handling program » handling problem (Expand search), handling protein (Expand search), handling process (Expand search)
decrease defense » defense defense (Expand search), decrease release (Expand search), decreases disease (Expand search)
defense process » defensive process (Expand search), defense processes (Expand search), defense proteins (Expand search)
data handling » and handling (Expand search), ca2 handling (Expand search)
decrease by » decreased by (Expand search), decrease in (Expand search), decrease of (Expand search)
by decrease » by decreased (Expand search), may decrease (Expand search), any decrease (Expand search)
code data » wide data (Expand search), barcode data (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 by decrease defense process ) OR ( python code data handling program ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease by decrease defense process ) OR ( python code data handling program ))*.