Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"tao cac don snippets" » "tao cac code snippets", "tao bac don snippets", "tao cao don snippets", "tai cac don snippets", "tao cac dan snippets", "tao cac mon snippets", "tao cac doanh 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: (((("tao cac don snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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