Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"phan den lam snippets" » "phan dien lam snippets", "phan dang lam snippets", "phan dinh lam snippets", "phan de lam snippets", "phan den cam snippets", "phan den lay snippets"

Try widening your search to All Fields.

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