Perhaps you should try some spelling variations:
"coder implementation models _ programming" » "coder implementation model _ programming" (Expand search), "coder implementation of _ programming" (Expand search), "coder implementation and _ programming" (Expand search), "code implementation models _ programming" (Expand search), "decoder implementation models _ programming" (Expand search), "model implementation models _ programming" (Expand search)
"python using python python programming" » "python using pythons python programming" (Expand search), "python using piton python programming" (Expand search), "python using pitons python programming" (Expand search), "python usando python python programming" (Expand search), "python coding python python programming" (Expand search), "action using python python programming" (Expand search), "python in 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: (("coder implementation models _ programming") OR ("python using python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder implementation models _ programming\") OR (\"python using python python programming\"))*".
• Removing quotes may allow a broader search: (( coder implementation models _ programming ) OR ( python using python python programming ))*.