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