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