Perhaps you should try some spelling variations:
"coder coder and sequencing material" » "coder coder and sequential material" (Expand search), "coder coder and sequencing water" (Expand search), "coder coder dna sequencing material" (Expand search), "coder coder rna sequencing material" (Expand search), "coder coder gene sequencing material" (Expand search), "coder decoder and sequencing material" (Expand search), "code code and sequencing material" (Expand search), "decoder codec and sequencing material" (Expand search), "coder code and sequencing material" (Expand search), "coder codes and sequencing material" (Expand search), "coder poder and sequencing material" (Expand search)
"monty python python python programming" » "monty pythons python python programming" (Expand search), "monty piton python python programming" (Expand search), "monty pitons python python programming" (Expand search)

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• Performing a fuzzy search may retrieve terms with similar spellings: (("coder coder and sequencing material") OR ("monty python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder and sequencing material\") OR (\"monty python python python programming\"))*".
• Removing quotes may allow a broader search: (( coder coder and sequencing material ) OR ( monty python python python programming ))*.