Perhaps you should try some spelling variations:
planning projects » planning project (Expand search), planning process (Expand search), learning projects (Expand search)
decrease further » increase further (Expand search), disease further (Expand search), decrease the (Expand search)
further decrease » further increase (Expand search), faster decrease (Expand search), the decrease (Expand search)
defense planning » reverse planning (Expand search)
decrease or » decrease of (Expand search), decrease on (Expand search), decrease pro (Expand search)
or decrease » of decrease (Expand search), not decrease (Expand search), to decrease (Expand search)
decrease at » decrease akt (Expand search), decrease and (Expand search), decrease in (Expand search)
at defense » act defense (Expand search), ant defense (Expand search), last defense (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 OR decrease further decrease ) OR ( decrease at defense planning projects ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( decrease or decrease further decrease ) OR ( decrease at defense planning projects ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease or decrease further decrease ) OR ( decrease at defense planning projects ))*.