Perhaps you should try some spelling variations:
decrease further » decrease the (Expand search), decrease after (Expand search), decrease their (Expand search)
further decrease » further increase (Expand search), faster decrease (Expand search), the decrease (Expand search)
vpython colisoes » vpython collisions (Expand search)
colisoes python » colisoes proton (Expand search), codigos python (Expand search), colisoes eletron (Expand search)
python python » pythons python (Expand search), piton python (Expand search), pitons python (Expand search)
decrease std » decrease sod (Expand search), decrease and (Expand search), decrease at (Expand search)
std programa » sd programa (Expand search), bad programa (Expand search), cad programa (Expand search)

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

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