Perhaps you should try some spelling variations:
"coder implementation on coding problems" » "code implementation on coding problems" (Expand search), "decoder implementation on coding problems" (Expand search), "model implementation on coding problems" (Expand search), "coder implementation of coding problems" (Expand search), "coder implementation in coding problems" (Expand search), "coder implementation and coding problems" (Expand search), "coder implementation on loading problems" (Expand search), "coder implementation on counting problems" (Expand search), "coder implementation on covering problems" (Expand search), "coder implementation non coding problems" (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 on coding problems") OR ("python using python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder implementation on coding problems\") OR (\"python using python python programming\"))*".
• Removing quotes may allow a broader search: (( coder implementation on coding problems ) OR ( python using python python programming ))*.