Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"nao thu ai snippets" » "nam thu ai snippets", "ngo thu ai snippets", "cao thu ai snippets", "nao thu hai snippets", "nao thu tai snippets", "nao thu hoai snippets", "nao thu ai 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: (((("nao thu ai snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nao thu ai snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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