Perhaps you should try some spelling variations:
"coder coder database duplication problem" » "coder coder database replication problem" (Expand search), "coder coder database application problem" (Expand search), "coder coder database publication problem" (Expand search), "coder coder database lubrication problems" (Expand search), "coder coder database equalization problem" (Expand search), "coder coder database location problem" (Expand search), "coder model database duplication problem" (Expand search), "coder cor database duplication problem" (Expand search), "coder cancer database duplication problem" (Expand search), "coder decoder database duplication problem" (Expand search), "code code database duplication problem" (Expand search), "decoder codec database duplication problem" (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 coder database duplication problem") OR ("_ python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder database duplication problem\") OR (\"_ python python python programming\"))*".
• Removing quotes may allow a broader search: (( coder coder database duplication problem ) OR ( _ python python python programming ))*.