Perhaps you should try some spelling variations:
"coder coder combining teaching proposal" » "coder coder continuing teaching proposal" (Expand search), "coder coder computing teaching proposal" (Expand search), "coder coder combining machine proposal" (Expand search), "coder coder combining teaching process" (Expand search), "coder model combining teaching proposal" (Expand search), "coder power combining teaching proposal" (Expand search), "coder models combining teaching proposal" (Expand search), "coder decoder combining teaching proposal" (Expand search), "code code combining teaching proposal" (Expand search), "decoder codec combining teaching proposal" (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 combining teaching proposal") OR ("on python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder combining teaching proposal\") OR (\"on python python python programming\"))".
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