Perhaps you should try some spelling variations:
decrease response » decreased response (Expand search), increased response (Expand search), increases response (Expand search)
response defense » response decrease (Expand search), resource defense (Expand search)
defense solving » defense solutions (Expand search), defense spending (Expand search)
solving problem » solving problems (Expand search), routing problem (Expand search), sizing problem (Expand search)
decrease not » decrease of (Expand search), decrease akt (Expand search), decrease at (Expand search)
not decrease » to decrease (Expand search), not increase (Expand search), and 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 response defense solving problem ) OR ( decrease NOT decrease _ decrease ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( decrease response defense solving problem ) OR ( decrease not decrease _ decrease ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease response defense solving problem ) OR ( decrease not decrease _ decrease ))*.