Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"phan vi toc snippets" » "phan vi code snippets", "phan va toc snippets", "phan ve toc snippets", "phan bi toc snippets", "phan vi hoc snippets", "phan vi boc snippets", "phan vi toi snippets"
"python using java snippets" » "python using data 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 vi toc snippets"))) or ("locating bug core snippets"))~.
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