Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"hoan cua can snippets" » "hoan cua code snippets", "hoa cua can snippets", "toan cua can snippets", "han cua can snippets", "hoan cua cac snippets", "hoan cua ban snippets", "hoan cua dan 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: (((("hoan cua can snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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