Perhaps you should try some spelling variations:
decreased survival » increased survival (Expand search), increases survival (Expand search)
survival program » survival progress (Expand search), survival nomogram (Expand search), survival from (Expand search)
cpp decreased » c1 decreased (Expand search), spp decrease (Expand search), corn decreased (Expand search)
python python » pythons python (Expand search), piton python (Expand search), pitons python (Expand search)
python based » action based (Expand search)
based python » based path (Expand search), and python (Expand search), gate python (Expand search)
code cpp » code cpc (Expand search), code app (Expand search), code ctn (Expand search)

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

• Removing quotes may allow a broader search: (( code cpp decreased survival program ) OR ( python based python python programming ))~.