Perhaps you should try some spelling variations:
"coder implementation survey using problems" » "coder implementation strategy using problems" (Expand search), "coder implementation studies using problems" (Expand search), "coder implementation success using problems" (Expand search), "code implementation survey using problems" (Expand search), "decoder implementation survey using problems" (Expand search), "model implementation survey using problems" (Expand search), "coder implementation survey using problem" (Expand search), "coder implementation survey housing problems" (Expand search), "coder implementation survey ising problem" (Expand search), "coder implementation survey among 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 survey using problems") OR ("python coding python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder implementation survey using problems\") OR (\"python coding python python programming\"))*".
• Removing quotes may allow a broader search: (( coder implementation survey using problems ) OR ( python coding python python programming ))*.