Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"tran hoai xa snippets" » "tran hai xa snippets", "tran hoan xa snippets", "than thoai xa snippets", "tran hoa xa snippets", "tran hoai va snippets", "tran hoai nam snippets", "tran hoai xa slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("tran hoai xa snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tran hoai xa snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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