Perhaps you should try some spelling variations:
"coder coder complete band parallel" » "coder model complete band parallel" (Expand search), "coder lower complete band parallel" (Expand search), "coder over complete band parallel" (Expand search), "coder coder complete and parallel" (Expand search), "coder coder complete blood parallel" (Expand search), "coder coder complete basis parallel" (Expand search), "coder coder complete blind parallel" (Expand search), "coder coder complete based parallel" (Expand search), "coder decoder complete band parallel" (Expand search), "code code complete band parallel" (Expand search), "decoder codec complete band parallel" (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 complete band parallel") OR ("on python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder complete band parallel\") OR (\"on python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder complete band parallel ) OR ( on python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder complete band parallel") OR ("on python python python programming"))*.