Perhaps you should try some spelling variations:
"coder coder an performative program" » "coder coder an performance program" (Expand search), "coder coder and performative program" (Expand search), "coder coder in performative program" (Expand search), "coder coder on performative program" (Expand search), "coder decoder an performative program" (Expand search), "code code an performative program" (Expand search), "decoder codec an performative program" (Expand search), "coder code an performative program" (Expand search), "coder codes an performative program" (Expand search), "coder poder an performative program" (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 an performative program") OR ("on python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder an performative program\") OR (\"on python python python programming\"))".
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