Perhaps you should try some spelling variations:
python visualization » path visualization (Expand search), pattern visualization (Expand search), pathway visualization (Expand search)
decrease processes » disease processes (Expand search), decay processes (Expand search)
decrease decrease » decrease release (Expand search), disease decreases (Expand search), decrease sucrose (Expand search)
visualization and » visualization of (Expand search)

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: (( decrease AND decrease decrease processes ) OR ( python script python visualization AND ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( decrease AND decrease decrease processes ) OR ( python script python visualization and ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease AND decrease decrease processes ) OR ( python script python visualization and ))*.