Perhaps you should try some spelling variations:
vpython colisoes » vpython collisions (Expand search)
colisoes python » colisoes proton (Expand search), codigos python (Expand search), colisoes eletron (Expand search)
decrease total » decreased total (Expand search), increase total (Expand search), decrease fetal (Expand search)
total programa » social programa (Expand search), edital programa (Expand search), rural programa (Expand search)
python python » pythons python (Expand search), piton python (Expand search), pitons python (Expand search)
set decrease » stent decrease (Expand search), not decrease (Expand search), use decrease (Expand search)
code set » code art (Expand search)

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

• Removing quotes may allow a broader search: (( code set decrease total programa ) OR ( vpython colisoes python python programming ))~.