Perhaps you should try some spelling variations:
"coder coding string duplication problem" » "coder coding string lubrication problems" (Expand search), "coder coding string equalization problem" (Expand search), "coder coding string location problem" (Expand search), "coder coding string applications problem" (Expand search), "coder coding line duplication problem" (Expand search), "coder coding strip application problem" (Expand search), "coder coding using duplication problem" (Expand search), "coder sewing string duplication problem" (Expand search), "coder comparing string duplication problem" (Expand search), "modern coding string duplication problem" (Expand search), "color coding string duplication problem" (Expand search), "odor coding string duplication problem" (Expand search)
"via python python python programming" » "via pythons python python programming" (Expand search), "via piton python python programming" (Expand search), "via pitons python python programming" (Expand search), "in python python python programming" (Expand search)

You may be able to get more results by adjusting your search query.

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coding string duplication problem\") OR (\"via python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder coding string duplication problem ) OR ( via python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder coding string duplication problem") OR ("via python python python programming"))*.