Perhaps you should try some spelling variations:
perverse formative » experience formative (Expand search)
formative process » formation process (Expand search), creative process (Expand search)
decrease with » decreases with (Expand search), increase with (Expand search), decrease in (Expand search)
with perverse » with reverse (Expand search), with servers (Expand search), with adverse (Expand search)
decrease can » decrease in (Expand search), decrease and (Expand search), decrease on (Expand search)
can decrease » can increase (Expand search), and decrease (Expand search), to decrease (Expand search)
decrease at » decrease akt (Expand search), decrease and (Expand search), decrease in (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 with perverse formative process ) OR ( decrease can decrease at decrease ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease with perverse formative process ) OR ( decrease can decrease at decrease ))*.