Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"nhan cho san snippets" » "han cho san snippets", "nhan nho san snippets", "chan cho san snippets", "nhan cho can snippets", "nhan ho san snippets", "nhan cho sinh snippets", "nhan cho 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: (((("nhan cho 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: (((("nhan cho san snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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