Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"hoi doi tran snippets" » "hoi doi tan snippets", "hoi doi tram snippets", "hoi doi trong snippets", "hoi doai tran snippets", "hoc doi tran snippets", "hoa doi 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 ("hoi doi tran snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("hoi doi tran snippets"))) OR ("locating bug core snippets")).
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