Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"luc tam tran snippets" » "luc tan tran snippets", "luc tam than snippets", "luc tam toan snippets", "luc tai tran snippets", "luc lam tran snippets", "luat tam tran 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 ("luc tam tran snippets"))) or ("locating bug core snippets"))~.
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