Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"thi lan buon snippets" » "thi lan huong snippets", "thi lan cuoi snippets", "thi lan guan snippets", "thi hanh buon snippets", "thi nang buon snippets", "thi lien buon snippets", "thi lan buon 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: (((("thi lan buon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thi lan buon snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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