Perhaps you should try some spelling variations:
decrease decrease » decrease release (Expand search), disease decreases (Expand search), decreases disease (Expand search)
pesar professor » estar professor (Expand search), pessoal professor (Expand search), piorar professor (Expand search)
decrease pesar » decrease fear (Expand search), decreases pecan (Expand search), decreases pest (Expand search)
decrease after » increase after (Expand search), disease after (Expand search)
decrease toc » decrease of (Expand search), decrease the (Expand search), decrease on (Expand search)
toc decrease » to decrease (Expand search), the decrease (Expand search), not 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 toc decrease pesar professor ) OR ( decrease toc decrease decrease after ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease toc decrease pesar professor ) OR ( decrease toc decrease decrease after ))*.