Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"phan toan va snippets" » "phan tan va snippets", "phap toan va snippets", "phan hoan va snippets", "phan doan va snippets", "phan tran van snippets", "phan toan ban 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 ("phan toan va snippets"))) or ("locating bug core snippets"))~.
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