Perhaps you should try some spelling variations:
"coder coder learning duplication problem" » "coder coder learning application problem" (Expand search), "coder coder learning applications problem" (Expand search), "coder coder learning implications problem" (Expand search), "coder coder learning lubrication problem" (Expand search), "coder coder learning lubrication problems" (Expand search), "coder coder learning equalization problem" (Expand search), "coder codes learning duplication problem" (Expand search), "coder modern learning duplication problem" (Expand search), "coder model learning duplication problem" (Expand search), "coder decoder learning duplication problem" (Expand search), "code code learning duplication problem" (Expand search), "decoder codec learning duplication problem" (Expand search)
"api python python python programming" » "api pythons python python programming" (Expand search), "api piton python python programming" (Expand search), "api pitons python python programming" (Expand search), "rpa python 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 learning duplication problem") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder learning duplication problem\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder learning duplication problem ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder learning duplication problem") OR ("api python python python programming"))*.