Perhaps you should try some spelling variations:
based programming » and programming (Expand search), based program (Expand search), cone programming (Expand search)
vpython classes » vpython colisoes (Expand search)
classes based » class based (Expand search), cases based (Expand search), classes and (Expand search)
python python » pythons python (Expand search), piton python (Expand search), pitons python (Expand search)
using python » usando python (Expand search), in python (Expand search)
coder » poder (Expand search), codes (Expand search), coded (Expand search)

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

• Removing quotes may allow a broader search: (( coder vpython classes based programming ) OR ( using python python python programming ))~.