Perhaps you should try some spelling variations:
defense processes » defense process (Expand search), decrease processes (Expand search), disease processes (Expand search)
defense defense » offense defense (Expand search), defense response (Expand search), response defense (Expand search)
studying cell » studying gene (Expand search), studying pfl (Expand search)
decrease may » decrease at (Expand search), decrease by (Expand search), decrease human (Expand search)
may defense » by defense (Expand search), fly defense (Expand search), party defense (Expand search)
cell python » cell pathogen (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 may defense defense processes ) OR ( python studying cell python programming ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease may defense defense processes ) OR ( python studying cell python programming ))*.