Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"phan tap van snippets" » "phan lap van snippets", "han tap van snippets", "phan tu van snippets", "phan tap va snippets", "phan tap vat snippets", "phan tap quan snippets"

Try widening your search to All Fields.

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