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