Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"vu thuc huan snippets" » "vu thuc luan snippets", "vu thuc huyen snippets", "vu thuc hanh snippets", "va thuc huan snippets", "ve thuc huan snippets", "vu thu huan snippets", "vu thuc huan 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: (((("vu thuc huan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("vu thuc huan snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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