Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"tran tu san snippets" » "tran tuan san snippets", "tran thuy san snippets", "tran thi san snippets", "tran thu san snippets", "tran tu ban snippets", "tran vu san snippets", "tran tu san 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: (((("tran tu san snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tran tu san snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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