Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"trinh san ve snippets" » "trinh san code snippets", "trinh han ve snippets", "trinh van ve snippets", "trinh quan ve snippets", "trinh ban ve snippets", "trinh dan ve snippets", "trinh san va 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 ("trinh san ve snippets"))) or ("locating bug core snippets"))~.
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