Perhaps you should try some spelling variations:
decrease infinite » decrease intimate (Expand search), became infinite (Expand search)
infinite objects » infant objects (Expand search), definite subjects (Expand search), infinite jest (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)

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 NOT decrease AND decrease ) OR ( decrease risk decrease infinite objects ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease NOT decrease AND decrease ) OR ( decrease risk decrease infinite objects ))*.