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 rate » decreased rate (Expand search), decreases rate (Expand search), decrease at (Expand search)
rate increase » the increase (Expand search), and increase (Expand search), an increase (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 the » decreases the (Expand search), decrease in (Expand search), decrease of (Expand search)
the decrease » to 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 rate increase model processual ) OR ( decrease risk decrease the decrease ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease rate increase model processual ) OR ( decrease risk decrease the decrease ))*.