Perhaps you should try some spelling variations:
"testing computation of subsampling program" » "testing imputation of subsampling program" (Expand search), "testing population of subsampling program" (Expand search), "testing mutation of subsampling program" (Expand search), "testing computation of sampling program" (Expand search), "testing computation and subsampling program" (Expand search), "testing computation the subsampling program" (Expand search)
"using python python python programming" » "using pythons python python programming" (Expand search), "using piton python python programming" (Expand search), "using pitons python python programming" (Expand search), "usando python python python programming" (Expand search), "in python python python programming" (Expand search)

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"testing computation of subsampling program\") OR (\"using python python python programming\"))~".
• Removing quotes may allow a broader search: (( testing computation of subsampling program ) OR ( using python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("testing computation of subsampling program") OR ("using python python python programming"))*.