Perhaps you should try some spelling variations:
"testing computation of computer program" » "testing imputation of computer program" (Expand search), "testing population of computer program" (Expand search), "testing mutation of computer 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 of computer program") OR ("using python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"testing computation of computer program\") OR (\"using python python python programming\"))".
• Removing quotes may allow a broader search: (( testing computation of computer program ) OR ( using python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("testing computation of computer program") OR ("using python python python programming"))*.