Perhaps you should try some spelling variations:
"using computational method ladder programming" » "using computational methods ladder programming" (Expand search), "using computational model ladder programming" (Expand search), "using computational models ladder programming" (Expand search), "and computational method ladder programming" (Expand search), "using computational method linear programming" (Expand search), "using computational method and programming" (Expand search), "using computational method based programming" (Expand search), "using computational method under programming" (Expand search), "using computational method after programming" (Expand search), "using computational method liter programming" (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: (("using computational method ladder programming") OR ("using coding python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"using computational method ladder programming\") OR (\"using coding python python programming\"))*".
• Removing quotes may allow a broader search: (( using computational method ladder programming ) OR ( using coding python python programming ))*.