Perhaps you should try some spelling variations:
"testing computation and sampling program" » "testing imputation and sampling program" (Expand search), "testing population and sampling program" (Expand search), "testing mutation and sampling program" (Expand search), "testing computation and labeling program" (Expand search), "testing computation and smoking program" (Expand search), "testing computation and jumping program" (Expand search), "testing computational and sampling program" (Expand search), "testing computation of sampling program" (Expand search), "testing computation _ sampling program" (Expand search), "testing computation and sample 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.

• Performing a fuzzy search may retrieve terms with similar spellings: (("testing computation and sampling program") OR ("using python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"testing computation and sampling program\") OR (\"using python python python programming\"))*".
• Removing quotes may allow a broader search: (( testing computation and sampling program ) OR ( using python python python programming ))*.