Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"moi voi thon snippets" » "moi hoi thon snippets", "moi voi chon snippets", "moi voi python snippets", "doi voi thon snippets", "moi doi thon snippets", "moi thoi thon snippets", "moi voi thon 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: (((("moi voi thon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("moi voi thon snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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