Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hoan toan ve snippets" » "hoa toan ve snippets", "hoan tran ve snippets", "hoang thoan ve snippets", "hoan toan va snippets", "hoan toan ke snippets", "hoan toan von 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: (((("hoan toan ve snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hoan toan ve snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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