Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"luc nhan cac snippets" » "luc nhan code snippets", "luc nhat cac snippets", "cu nhan cac snippets", "tue nhan cac snippets", "luc nhan cach snippets", "luc phan cac snippets", "luc nhan mac 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 ("luc nhan cac snippets"))) or ("locating bug core snippets"))~.
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