Perhaps you should try some spelling variations:
decrease integer » decrease catheter (Expand search), decrease after (Expand search), decrease income (Expand search)
integer programs » integer programing (Expand search), integer problems (Expand search), integer programming (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 decrease » to decrease (Expand search), and decrease (Expand search), spp decrease (Expand search)

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

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