Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"bui than man snippets" » "bui thanh man snippets", "bui tan man snippets", "bui thai man snippets", "bui than ma snippets", "bui thanh san snippets", "bui tran manh snippets", "bui than man slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("bui than man snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
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