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)
decrease during » increase during (Expand search), increased during (Expand search), increases during (Expand search)
during decrease » during increased (Expand search), during depressed (Expand search), during disease (Expand search)
python python » pythons python (Expand search), piton python (Expand search), pitons python (Expand search)
python code » python coding (Expand search), python redes (Expand search)
code python » codigo python (Expand search), pacote python (Expand search)

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

• Removing quotes may allow a broader search: (( decrease during decrease survival program ) OR ( python code python python programming ))~.