Perhaps you should try some spelling variations:
decrease world » decrease work (Expand search), decrease food (Expand search), decrease or (Expand search)
the decreased » the decrease (Expand search), the deceased (Expand search), the increased (Expand search)
world objects » world objective (Expand search), sound objects (Expand search), world effects (Expand search)
decrease the » decreases the (Expand search), decrease in (Expand search), decrease of (Expand search)
decreased at » decreased akt (Expand search), decreased ant (Expand search), decrease at (Expand search)
at decrease » rate decrease (Expand search), that decrease (Expand search), and decrease (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 the decreased at decrease ) OR ( decrease AND decrease world objects ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease the decreased at decrease ) OR ( decrease AND decrease world objects ))*.