Perhaps you should try some spelling variations:
"coder implementation and existing problem" » "code implementation and existing problem" (Expand search), "decoder implementation and existing problem" (Expand search), "model implementation and existing problem" (Expand search), "coder implementation of existing problem" (Expand search), "coder implementation and editing problem" (Expand search), "coder implementation and persisting problem" (Expand search), "coder implementation and nesting problem" (Expand search), "coder implementation an existing problem" (Expand search), "coder implementation and resisting problem" (Expand search)
"python coding python python programming" » "action coding python python programming" (Expand search), "python code python python programming" (Expand search), "python codigo python python programming" (Expand search), "python codigos python python programming" (Expand search), "python using python python programming" (Expand search), "python coding pythons python programming" (Expand search), "python coding piton python programming" (Expand search), "python coding pitons 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 and existing problem") OR ("python coding python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder implementation and existing problem\") OR (\"python coding python python programming\"))*".
• Removing quotes may allow a broader search: (( coder implementation and existing problem ) OR ( python coding python python programming ))*.