Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"nam bat tham snippets" » "nam van tham snippets", "nam va tham snippets", "nam bat kha snippets", "nam bac tham snippets", "nam ban tham snippets", "nam nhat tham snippets", "nam bat tham 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: (((("nam bat tham snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nam bat tham snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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