Perhaps you should try some spelling variations:
"by computational shelf coding problem" » "by computational self coding problem" (Expand search), "by computational scheme coding problem" (Expand search), "by computational speed coding problem" (Expand search), "_ computational shelf coding problem" (Expand search), "and computational shelf coding problem" (Expand search), "by computational shelf coding problems" (Expand search), "by computational shelf coping problem" (Expand search), "by computational shelf loading problem" (Expand search), "by computational shell molding problem" (Expand search), "by computational shelf forcing problem" (Expand search), "by computational shelf using 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 shelf coding problem") OR ("using coding python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"by computational shelf coding problem\") OR (\"using coding python python programming\"))*".
• Removing quotes may allow a broader search: (( by computational shelf coding problem ) OR ( using coding python python programming ))*.