Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"dat lam tran snippets" » "dat lam tan snippets", "dat lam trong snippets", "dat lam trung snippets", "da lam tran snippets", "dao lam tran snippets", "dat luan 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 ("dat lam tran snippets"))) or ("locating bug core snippets"))~.
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