Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cac thoi cac snippets" » "cac toi cac snippets", "cac hop cac snippets", "cac tro cac snippets", "cac thoai cac snippets", "cac tho cac snippets", "cac hoi cac snippets"
"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: (((("python using java snippets") or ("cac thoi cac snippets"))) or ("locating bug code snippets"))~.
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