Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"den cam tran snippets" » "den can tranh snippets", "den cai trang snippets", "den cum trang snippets", "den cac tran snippets", "den lam tran snippets", "den nam 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 ("den cam tran snippets"))) or ("locating bug core snippets"))~.
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