Perhaps you should try some spelling variations:
"coder coder during robotic problem" » "coder coder during robotics problem" (Expand search), "coder coder during parabolic problem" (Expand search), "coder coder during geodetic problem" (Expand search), "coder coder using robotic problem" (Expand search), "coder coder during root problem" (Expand search), "coder coder during osmotic problem" (Expand search), "coder cover during robotic problem" (Expand search), "coder powder during robotic problem" (Expand search), "coder border during robotic problem" (Expand search), "coder decoder during robotic problem" (Expand search), "code code during robotic problem" (Expand search), "decoder codec during robotic problem" (Expand search)
"on python python python programming" » "on pythons python python programming" (Expand search), "on piton python python programming" (Expand search), "on pitons python python programming" (Expand search), "in python pythin python programming" (Expand search), "of python pythof python programming" (Expand search), "_ python pyth_ 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 during robotic problem") OR ("on python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder during robotic problem\") OR (\"on python python python programming\"))".
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• Adding a wildcard symbol may retrieve word variants: (("coder coder during robotic problem") OR ("on python python python programming"))*.