Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"phan bac dat snippets" » "phan cac dat snippets", "phan ba dat snippets", "pham bac dat snippets", "phan bac dai snippets", "phan ban dat snippets", "phan bac dan snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("phan bac dat snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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