Perhaps you should try some spelling variations:
python graphical » the graphical (Expand search), on graphical (Expand search), to graphical (Expand search)
graphical pitons » graphical methods (Expand search), graphical tool (Expand search), graphical editor (Expand search)
model processor » modelo professor (Expand search), model process (Expand search), modelo processo (Expand search)
decrease model » increase model (Expand search), decrease sod (Expand search), decrease total (Expand search)
decrease and » decreases and (Expand search), decrease in (Expand search), decrease of (Expand search)
and decrease » and decreases (Expand search), and decreased (Expand search), and increase (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 model processor ) OR ( python graphical pitons python programming ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( decrease and decrease model processor ) OR ( python graphical pitons python programming ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease and decrease model processor ) OR ( python graphical pitons python programming ))*.