Perhaps you should try some spelling variations:
work progressivo » rock progressivo (Expand search), corte progressivo (Expand search), forca progressivo (Expand search)
decrease during » increase during (Expand search), increases during (Expand search), increased during (Expand search)
during decrease » during increased (Expand search), during depressed (Expand search), during disease (Expand search)
decrease work » decrease or (Expand search), increase work (Expand search), decrease of (Expand search)
decreased toc » decreased to (Expand search), decrease toc (Expand search), decreased rorc (Expand search)
on decreased » in decreased (Expand search), of decreased (Expand search), on deceased (Expand search)
toc decrease » to decrease (Expand search), the decrease (Expand search), not decrease (Expand search)
decrease on » decrease in (Expand search), decrease of (Expand search), decrease or (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 during decrease work progressivo ) OR ( decrease on decreased toc decrease ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease during decrease work progressivo ) OR ( decrease on decreased toc decrease ))*.