Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"toc tam anh snippets" » "toc tay anh snippets", "toc ta anh snippets", "hoc tam anh snippets", "toc tuan anh snippets", "toc pham anh snippets", "toc tam linh snippets", "toc tam anh 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: (((("toc tam anh snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("toc tam anh snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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