Perhaps you should try some spelling variations:
"coder coding coding on duplication" » "coder coding coding non duplication" (Expand search), "coder coding coding upon duplication" (Expand search), "coder coding coding and duplication" (Expand search), "coder coding decoding on duplication" (Expand search), "coder coding using on duplication" (Expand search), "coder coding canine on duplication" (Expand search), "modern coding coding on duplication" (Expand search), "color coding coding on duplication" (Expand search), "odor coding coding on duplication" (Expand search), "coder coding coding of duplication" (Expand search), "coder coding coding in duplication" (Expand search), "coder coding coding an duplication" (Expand search)
"_ python python python programming" » "_ pythons python python programming" (Expand search), "_ piton python python programming" (Expand search), "_ pitons python 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 coding coding on duplication") OR ("_ python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coding coding on duplication\") OR (\"_ python python python programming\"))*".
• Removing quotes may allow a broader search: (( coder coding coding on duplication ) OR ( _ python python python programming ))*.