Perhaps you should try some spelling variations:
"and computational in competitive programming" » "and computational in copositive programming" (Expand search), "and computational in objective programming" (Expand search), "and computational in compromise programming" (Expand search), "_ computational in competitive programming" (Expand search), "and computational and competitive programming" (Expand search), "and computational _ competitive programming" (Expand search), "and computational 3d competitive programming" (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: (("and computational in competitive programming") OR ("using python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"and computational in competitive programming\") OR (\"using python python python programming\"))*".
• Removing quotes may allow a broader search: (( and computational in competitive programming ) OR ( using python python python programming ))*.