Perhaps you should try some spelling variations:
noise processes » these processes (Expand search), like processes (Expand search), crime processes (Expand search)
decrease noise » decrease risk (Expand search)
python python » pythons python (Expand search), piton python (Expand search), pitons python (Expand search)
decreased to » decreased the (Expand search), decreased in (Expand search), decreased il (Expand search)
python on » python of (Expand search), python in (Expand search), python and (Expand search)
on python » in python (Expand search), of python (Expand search), _ 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: "(( decreased to decrease noise processes ) OR ( python on python python programming ))~".
• Adding a wildcard symbol may retrieve word variants: (( decreased to decrease noise processes ) OR ( python on python python programming ))*.