Perhaps you should try some spelling variations:
vpython colisoes » vpython collisions (Expand search)
colisoes python » colisoes proton (Expand search), colisoes eletron (Expand search)
codigos python » codigo python (Expand search)
using codigos » usando codigos (Expand search), using coding (Expand search), using codium (Expand search)
python python » pythons python (Expand search), piton python (Expand search), pitons 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 colisoes python programming ) OR ( using codigos python python programming ))~.