Perhaps you should try some spelling variations:
vpython python » python python (Expand search), pythons python (Expand search), piton python (Expand search)
decrease liver » decreases liver (Expand search), decrease litter (Expand search), decrease after (Expand search)
decrease rate » decreased rate (Expand search), decreases rate (Expand search), decrease at (Expand search)
rate decrease » rats decreases (Expand search), ratio decrease (Expand search), rate increase (Expand search)
liver program » live program (Expand search), river program (Expand search), linear program (Expand search)
code vpython » 3d vpython (Expand search)
python code » python coding (Expand search), python redes (Expand search)

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

• Removing quotes may allow a broader search: (( decrease rate decrease liver program ) OR ( python code vpython python programming ))~.