Perhaps you should try some spelling variations:
model processual » modelo processual (Expand search), modulo processual (Expand search), modo processual (Expand search)
increase model » decrease model (Expand search), increase bone (Expand search), increase body (Expand search)
decrease risk » decreased risk (Expand search), increase risk (Expand search), decrease in (Expand search)
risk decrease » risk decreases (Expand search), risk increase (Expand search), break decrease (Expand search)
decrease toc » decrease of (Expand search), decrease the (Expand search), decreased to (Expand search)
toc decrease » to decrease (Expand search), the decrease (Expand search), not decrease (Expand search)
decrease at » decrease akt (Expand search), decrease and (Expand search), decrease in (Expand search)
at increase » at increased (Expand search), fat increase (Expand search), an increase (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 at increase model processual ) OR ( decrease risk decrease toc decrease ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease at increase model processual ) OR ( decrease risk decrease toc decrease ))*.