Perhaps you should try some spelling variations:
"by computational _ coding problem" » "_ computational _ coding problem" (Expand search), "and computational _ coding problem" (Expand search), "by computational _ coding problems" (Expand search), "by computational _ coping problem" (Expand search), "by computational _ loading problem" (Expand search)
"using coding python python programming" » "using codigo python python programming" (Expand search), "using codigos python python programming" (Expand search), "using using python python programming" (Expand search), "using coding pythons python programming" (Expand search), "using coding piton python programming" (Expand search), "using coding pitons python programming" (Expand search), "using coping python python programming" (Expand search), "using coating python python programming" (Expand search), "using cooking 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: (("by computational _ coding problem") OR ("using coding python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"by computational _ coding problem\") OR (\"using coding python python programming\"))*".
• Removing quotes may allow a broader search: (( by computational _ coding problem ) OR ( using coding python python programming ))*.