Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"anh dao vung snippets" » "anh dan vung snippets", "anh dao cuong snippets", "anh dao van snippets", "lanh dao vung snippets", "hanh dao vung snippets", "anh dat vung snippets", "anh dao vung 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: (((("anh dao vung snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("anh dao vung snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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