Perhaps you should try some spelling variations:
caused processes » based processes (Expand search), causal processes (Expand search), coupled processes (Expand search)
diseases caused » disease caused (Expand search)
decrease risk » decreased risk (Expand search), increase risk (Expand search), decrease in (Expand search)
risk diseases » risk disease (Expand search), iris diseases (Expand search), disk disease (Expand search)
python python » pythons python (Expand search), piton python (Expand search), pitons python (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 risk diseases caused processes ) OR ( python _ python python programming ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease risk diseases caused processes ) OR ( python _ python python programming ))*.