Perhaps you should try some spelling variations:
python program » action program (Expand search)
vpython python » python python (Expand search), pythons python (Expand search), piton python (Expand search)
model vpython » modeling vpython (Expand search), modulo python (Expand search)
coder python » codigo python (Expand search), compra python (Expand search)
code python » codigo python (Expand search), pacote python (Expand search)
using model » ising model (Expand search), using modis (Expand search), using mobile (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: "(( coder python code python program ) OR ( using model vpython python programming ))~".
• Adding a wildcard symbol may retrieve word variants: (( coder python code python program ) OR ( using model vpython python programming ))*.