Perhaps you should try some spelling variations:
graphical functions » archival functions (Expand search), psychical functions (Expand search), analytical functions (Expand search)
python graphical » the graphical (Expand search), on graphical (Expand search), to graphical (Expand search)
functions python » functions methods (Expand search), functions 4th (Expand search), finitos python (Expand search)
decrease use » decreased use (Expand search), decrease the (Expand search), increase use (Expand search)
use process » reuse process (Expand search), nurse process (Expand search), cure process (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 AND decrease use process ) OR ( python graphical functions python programming ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease AND decrease use process ) OR ( python graphical functions python programming ))*.