Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"phan tap hoc snippets" » "phan tap code snippets", "phan lap hoc snippets", "han tap hoc snippets", "phan tu hoc snippets", "phan tap hop snippets", "phan tap hoa snippets", "phan ta hoc 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: (((("phan tap hoc snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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