Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"hai sam nhan snippets" » "hai cam nhan snippets", "hai sat nhan snippets", "hai dam nhan snippets", "hai nam nhan snippets", "hai san nhan snippets", "hai pham nhan snippets", "hai sam nhan 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: (((("hai sam nhan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hai sam nhan snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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