Perhaps you should try some spelling variations:
decrease surgical » decrease survival (Expand search), decreased survival (Expand search), decreases survival (Expand search)
surgical program » surgical programs (Expand search), musical program (Expand search), surgical proposal (Expand search)
python python » pythons python (Expand search), piton python (Expand search), pitons python (Expand search)
python using » python coding (Expand search), python usando (Expand search), action using (Expand search)
using python » usando python (Expand search), in python (Expand search)

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

• Removing quotes may allow a broader search: (( decrease _ decrease surgical program ) OR ( python using python python programming ))~.