Perhaps you should try some spelling variations:
decrease survival » decreased survival (Expand search), decreases survival (Expand search), increase survival (Expand search)
survival program » survival progress (Expand search), survival nomogram (Expand search), survival from (Expand search)
vpython codigo » python codigo (Expand search), python coding (Expand search), vpython colisoes (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: (( code to decrease survival program ) OR ( vpython codigo python python programming ))~.