Perhaps you should try some spelling variations:
"coder coder discourse based processing" » "coder coder discourse laser processing" (Expand search), "coder coder discourse and processing" (Expand search), "coder coder discourse seed processing" (Expand search), "coder code discourse based processing" (Expand search), "coder coded discourse based processing" (Expand search), "coder border discourse based processing" (Expand search), "coder coder course based processing" (Expand search), "coder decoder discourse based processing" (Expand search), "code code discourse based processing" (Expand search), "decoder codec discourse based processing" (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)

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• Performing a fuzzy search may retrieve terms with similar spellings: (("coder coder discourse based processing") OR ("on python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder discourse based processing\") OR (\"on python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder discourse based processing ) OR ( on python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder discourse based processing") OR ("on python python python programming"))*.