Perhaps you should try some spelling variations:
"coder using coding decoding function" » "coder using coding deciding functions" (Expand search), "coder using coding descibing function" (Expand search), "coder using coding scoring function" (Expand search), "coder using encoding decoding function" (Expand search), "coder using reading decoding function" (Expand search), "coder using joint decoding function" (Expand search), "coder using coping decoding function" (Expand search), "coder using coating decoding function" (Expand search), "coder using cooking decoding function" (Expand search), "coders using coding decoding function" (Expand search), "cover using coding decoding function" (Expand search), "code using coding decoding function" (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 using coding decoding function") OR ("on python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder using coding decoding function\") OR (\"on python python python programming\"))*".
• Removing quotes may allow a broader search: (( coder using coding decoding function ) OR ( on python python python programming ))*.