Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phan mo tran slippers" » "phap mo tran slippers", "phan bo tran slippers", "phan co tran slippers", "phan m tran slippers", "phan ma tran slippers", "phan co tranh slippers", "phan mo tran slippery", "phan mo tran grippers"
"locating bug code snippets" » "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: (((("phan mo tran slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
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