Perhaps you should try some spelling variations:
vpython colisoes » vpython collisions (Expand search)
basic processes » basica processos (Expand search), basico processos (Expand search), based processes (Expand search)
colisoes python » colisoes proton (Expand search), codigos python (Expand search), colisoes eletron (Expand search)
decrease basic » disease basic (Expand search), decrease asian (Expand search), decreased base (Expand search)
decrease term » decreased sperm (Expand search), decreases sperm (Expand search), decrease theory (Expand search)
term decrease » term increase (Expand search), to decrease (Expand search), the decrease (Expand search)
python python » pythons python (Expand search), piton python (Expand search), pitons python (Expand search)

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

• Removing quotes may allow a broader search: (( decrease term decrease basic processes ) OR ( vpython colisoes python python programming ))~.