Perhaps you should try some spelling variations:
"coder implementation and coding problem" » "code implementation and coding problem" (Expand search), "decoder implementation and coding problem" (Expand search), "model implementation and coding problem" (Expand search), "coder implementation of coding problem" (Expand search), "coder implementation and coding problems" (Expand search), "coder implementation and coping problem" (Expand search), "coder implementation and loading problem" (Expand search), "coder implementation and cooling problem" (Expand search), "coder implementation and cooking problem" (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 and coding problem") OR ("python using python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder implementation and coding problem\") OR (\"python using python python programming\"))".
• Removing quotes may allow a broader search: (( coder implementation and coding problem ) OR ( python using python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder implementation and coding problem") OR ("python using python python programming"))*.