Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"nao hoi nuoc snippets" » "nao hoc nuoc snippets", "nao roi nuoc snippets", "nao thon nuoc snippets", "nam hoi nuoc snippets", "tao hoi nuoc snippets", "nao noi nuoc snippets", "nao hoi nuoc 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 hoi nuoc 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 hoi nuoc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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