Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"danh cac san snippets" » "dinh cac san snippets", "danh ca san snippets", "hanh cac san snippets", "danh cac dan snippets", "danh cac van snippets", "danh cac ban snippets"

Try widening your search to All Fields.

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