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